3-5-2 Formation Explained: How It Differs From a 5-3-2
The 3-5-2 formation explained, with how it differs from a 5-3-2, its strengths and weaknesses, and how England and English clubs have used it.
By CricketTaken EditorialPublished Formations & Positions26 min read
- Centre-backs
- 3
- Players on each flank
- 1
- Argentina's World Cup win in the shape
- 1986
- England's World Cup semi-final in it
- 2018
Kieran Trippier and Ashley Young started the World Cup semi-final in Moscow on 11 July 2018 as England's wing-backs. Early in the match against Croatia they played like midfielders, level with Jordan Henderson and high enough to pin the opposing full-backs. By the second half both were standing beside the three centre-backs, England had five men in their back line, and the same eleven that had started as a 3-5-2 was defending as a 5-3-2.
That is the short answer to the question the two names raise. A 3-5-2 is three centre-backs, two wing-backs, three central midfielders and two strikers. A 5-3-2 is exactly the same set of players with the wing-backs ten or twenty yards deeper. The shape gives a side a spare centre-back against two forwards, a midfield three and a strike partnership all at once, which no formation with a back four can manage. It pays for them on the touchlines, where one player does the work two would do in a 4-4-2 or a 4-3-3. English football has taken it up in bursts: at the 1990 and 1998 World Cups, across the Premier League of the mid-1990s, and again under Gareth Southgate.
What a 3-5-2 is, and the short answer on the 5-3-2
Start with the centre of the pitch, because that is where the formation puts nearly everybody. Three centre-backs. Three central midfielders. Two strikers. Eight of the ten outfield players are stationed in the central corridor, roughly the width of the penalty area, and the remaining two have a touchline each.
Those two are the wing-backs, and they are what makes the shape work or fail. A wing-back is asked to be the side's widest attacker when it has the ball and its widest defender when it does not, with nobody ahead of him and nobody behind him on that flank. How the job differs from an ordinary full-back's is covered in our guide to the wing-back and what the role demands.
Because the wing-backs move so far, the formation looks different depending on when the photograph is taken.
Read down the first column and it is a 3-5-2. Read down the second and it is a 5-3-2. Nobody has been substituted. Two players have run backwards.
The three centre-backs are not interchangeable. The one in the middle covers behind the other two and organises the line. The two wide centre-backs play in the channels a full-back would normally occupy when the side defends, and they are freer than centre-backs in a four to leave the line, either to follow a forward into midfield or to bring the ball out.
The midfield three is usually a holder with two runners, and the two strikers are a partnership in the old sense, one coming towards the ball and one going away from it. What matters first is the sum. Count the centre of the pitch against any back-four formation and the 3-5-2 has more people in it. Count the flanks and it has fewer.
3-5-2 or 5-3-2: how the wing-backs' starting height decides the name
A manager walks into a press conference and says his side will play a 3-5-2. The opposing manager, asked about it an hour later, says he expects to face a 5-3-2. They are talking about the same team sheet, and each is saying something true about what he hopes will happen.
The name belongs to the wing-backs. If their starting position when the side is settled is level with the central midfielders, forty or fifty yards from their own goal, it is a 3-5-2. If it is level with the centre-backs, it is a 5-3-2. Everything else follows from that one measurement.
| Feature | 3-5-2 | 5-3-2 |
|---|---|---|
| Wing-backs' starting position | Level with the midfield | Level with the centre-backs |
| Who they stand against | The opposing full-backs | The opposing wingers |
| Players behind the ball when it is lost | Three centre-backs and a holding midfielder | Five defenders and three midfielders |
| Where the side expects to win the ball | Around the halfway line | On the edge of its own penalty area |
| Width in attack | Immediate, from both wing-backs | Delayed, until a wing-back has run forty yards |
| Who tends to use the name | The side's own manager | The opposition and the press |
Which of the two a side ends up playing is not entirely its own decision. A wing-back can only stand as high as the opposing winger lets him. If that winger stays up the pitch on the touchline, the wing-back must either go back and mark him or leave him to a wide centre-back, who is then dragged out of the middle. A manager can announce a 3-5-2 and find by the tenth minute that the other side has turned it into a 5-3-2 for him.
So the honest description of nearly every team that uses the shape is both. A spectator who wants to know which it is on a given afternoon should ignore the kick-off and look once the match has settled: find the wing-back furthest from the ball and see whose shoulder he is standing on.
What the shape buys that a 3-4-3 cannot
Every formation is a way of spending ten outfield players, and the interesting ones are those that buy something the others cannot.
A back-four system has to choose in the middle of the pitch. The 4-4-2 keeps two strikers and accepts being a man short in central midfield. The 4-3-3 has its midfield three and plays with one centre-forward. Each gets one of the two things, and our guides to the 4-4-2 and why England played it for so long and to the 4-3-3 and its midfield triangle set out what follows from each choice.
The 3-5-2 declines to choose. It has three in central midfield, so it is not outnumbered there by anybody. It has two forwards, so both opposing centre-backs are occupied. And it has three centre-backs of its own, so it keeps a spare man at the back against a front two. That is a remarkable amount to get from one team sheet.
The bill arrives on the flanks. A 4-4-2 has a full-back and a wide midfielder on each side. A 4-3-3 has a full-back and a winger. The 3-5-2 has a wing-back, alone.
Compare the back three's other common form. A 3-4-3 has the same three centre-backs and the same two wing-backs, but it spends its remaining five players as two central midfielders and three forwards, the outer two of whom play ahead of the wing-backs. Each flank therefore has two players again. The price is in the middle: two central midfielders, the 4-4-2's old shortage, and a single centre-forward.
Antonio Conte's Chelsea are the English reference for that version. After a 3-0 defeat at Arsenal on 24 September 2016 he switched to a 3-4-3, and Chelsea won their next thirteen league matches and the 2016-17 title with 93 points.
| Shape | Centre-backs | Central midfielders | Wide players per flank | Strikers |
|---|---|---|---|---|
| 3-5-2 | 3 | 3 | 1 | 2 |
| 3-4-3 | 3 | 2 | 2 | 1 |
| 4-4-2 | 2 | 2 | 2 | 2 |
| 4-3-3 | 2 | 3 | 2 | 1 |
| 4-2-3-1 | 2 | 3 | 2 | 1 |
A manager who picks a 3-5-2 is betting that the middle of the pitch matters more than its edges. Often it does. The bet goes wrong when the opposition has wide players good enough to make the edges matter.
The three centre-backs: a spare man, two who step out and one who covers
The shape began as an answer to a counting problem. Two strikers against two centre-backs is one against one twice over, and if either defender loses his duel there is nobody behind him. Add a third centre-back and the count becomes three against two. Somebody is always free.
For years the free man was a sweeper. He stood behind two man-markers, picked up whatever got past them, and carried the ball forward when he won it. Mark Wright did the job for England at the 1990 World Cup; Klaus Augenthaler did it for the West German side that won the tournament. The modern back three has no sweeper in that sense. Its three stand in a line and mark zones, and the spare man is whichever of them the two forwards are not standing near at that moment.
The wide centre-backs
The two outer centre-backs have the most distinctive job in the formation. With a covering defender inside him, each can do things that would be reckless in a back four.
He can follow a forward who drops off into midfield, all the way if necessary, knowing that the gap he leaves will be filled. He can go out to the touchline to help a wing-back who is facing two opponents. And when his own side has the ball, he can carry it. Two forwards cannot press three centre-backs; one of the three will be unmarked, and if it is a wide one he can simply walk the ball into midfield until an opponent comes to stop him, at which point that opponent's man is free. Harry Maguire did this constantly for England in 2018.
The position suits players who would not be picked as centre-backs in a four. Kyle Walker, a right-back, played on the right of England's three in Russia. César Azpilicueta, another full-back, did the same job in Chelsea's title-winning side. What the role asks of a defender on the ball is covered in our guide to the ball-playing centre-back.
The one in the middle
The central defender of the three is the organiser. He has the whole pitch in front of him and both colleagues in view, and he decides when the line steps up and when it drops. He marks least and covers most. If a wide centre-back is pulled out of position, the middle man slides across and the far-side centre-back tucks in behind him.
It is also the best passing position in the back line, since he usually receives the ball with time and a clear view of both wing-backs. Leonardo Bonucci at Juventus used it to hit long diagonals to the far wing-back. John Stones played there for England.
The midfield three and its options, from a single holder to a 3-4-1-2
Three central midfielders can be set out in more than one pattern, and in a 3-5-2 the choice matters more than usual because these three are also the only cover the wing-backs have.
The standard arrangement is one holder with two runners either side of and ahead of him. Conte's Juventus had Andrea Pirlo at the base, directing play, with Arturo Vidal and Claudio Marchisio doing the running. England in 2018 had Henderson behind Dele Alli and Jesse Lingard, who played so far forward that the shape was sometimes written 3-3-2-2: three centre-backs, a line of Henderson and the two wing-backs, two attacking midfielders, two strikers.
The holder's position is unusually safe. In a 4-3-3 the single pivot has two centre-backs behind him and a great deal of open grass either side. Here he has three, and the wide centre-backs can step up into the spaces beside him. A playmaker who cannot run is far less exposed, and Pirlo played some of his best football in his thirties in this shape.
The two runners have the hard job. Going forward they must get close to the strikers, because nobody else will. Going back they must shuttle out to the touchline whenever a wing-back is outnumbered. A midfielder in a 3-5-2 who covers the ground between his own penalty area and the opposition's, and also the ground between the centre circle and the touchline, has run further than almost anyone else on the pitch.
Then there is the inverted version. Turn the triangle round, so that two midfielders sit and one plays ahead of them behind the strikers, and the formation becomes a 3-4-1-2. This is a number 10's system. The two forwards occupy both centre-backs, the 10 stands in the space between the opposition's midfield and defence, and whichever defender comes out to meet him leaves a striker free. Argentina's 1986 side was closer to this than to the textbook 3-5-2, for the plain reason that the player behind the forwards was Diego Maradona.
The cost of the 10 is behind him. With two central midfielders instead of three, the shuttle to the touchline leaves a single man in the middle, and a team that already has one player per flank now has less help for him. Sides using a 3-4-1-2 tend to be very good going forward and to concede from wide positions.
The return of the strike pair
When English clubs moved to a lone centre-forward in the 2000s, a whole kind of footballer went with the second striker: the forward who was good, but better with a partner. The 3-5-2 is the one modern shape that reliably brings him back.
Two forwards against a back four means each centre-back has a man. There is no spare defender to cover, the full-backs have to tuck in to help, and the line as a whole is held deeper than it would like. All of that is true of any front two. What the 3-5-2 adds is that the pair is not paid for with a midfielder, so the strikers are supported by three central players arriving behind them, not two.
The division of labour is the familiar one. One forward comes short, showing for the ball to feet with a centre-back at his back, and the other runs the channel between centre-back and full-back. That channel is wider than usual against a 3-5-2, because the opposing full-back has often gone forward to press the wing-back and left grass behind him.
West Germany won the 1990 World Cup with Rudi Völler and Jürgen Klinsmann up front. Glenn Hoddle's England had Alan Shearer and an eighteen-year-old Michael Owen in 1998, the older man holding the ball and the younger one running beyond. Conte's Internazionale won the Italian title in 2020-21 with Romelu Lukaku and Lautaro Martínez.
England's pair in 2018 was an unusual one. Harry Kane was the forward who came towards the ball and Raheem Sterling the one who ran away from it. Sterling did not score in the tournament, but his runs kept the opposing back line deep and gave Alli and Lingard room to arrive.
Why the pair matters more here than in a 4-4-2
In a 4-4-2 a forward who receives the ball has wide midfielders already level with him. In a 3-5-2 he does not. The wing-backs start deeper and need four or five seconds to get there. So the first job of a striker in this shape, when the ball comes up to him, is to keep it. Hold it, lay it off to a midfielder, turn and go. A front two that cannot retain possession under pressure leaves its side pinned in a 5-3-2 for the whole match, because the wing-backs never get the time to join in.
The flank problem: one wing-back against a winger and a full-back
Everything the formation gains in the middle it owes on the touchline, and good opponents collect.
A side in a 4-3-3 or a 4-2-3-1 has two players on each flank, a winger and a full-back behind him. A 3-5-2 has one. When the ball is on that side, help can come: the nearest central midfielder shuttles across, the wide centre-back steps out, and the numbers are level or better. The difficulty is the other flank. All that help has come from somewhere, and the far wing-back is now a long way from anybody.
So the opposition's method is to attack one side in order to score from the other.
- Draw the block acrossThe attacking side keeps the ball on one touchline until the three central midfielders and the near wide centre-back have all moved towards it.
- Play back and switchThe ball goes back to a centre-back or holding midfielder, who hits it long and flat to the opposite side.
- Winger pins the wing-backThe far winger stays high and wide, so the wing-back has to stand with him and cannot come out to the ball.
- Full-back receives freeThe full-back on that side takes the switch with nobody within fifteen yards, because the midfielder who should close him is still running across.
- Two against oneHe advances on the wing-back with the winger alongside. The wing-back can stop the pass down the line or the run inside, and not both.
The usual sequence against a 3-5-2 that has shifted across to the ball. It depends on the switch being quick; a slow one lets the block travel back.
Croatia's equaliser against England in the 2018 semi-final was a version of this. Having been kept out for more than an hour, Croatia began moving the ball quickly from side to side and their full-backs started receiving it with time. The cross for Ivan Perišić's goal in the 68th minute was delivered from deep on the right by a full-back, Šime Vrsaljko, with no English player close enough to block it.
Each remedy the 3-5-2 has for this costs something elsewhere.
The midfield three can shuttle faster and further, which is a question of fitness and tends to run out after an hour. The wide centre-back can come out to the touchline to make it two against two, which pulls the back three apart and leaves two defenders against two forwards in the middle. A striker can drop to the wing to help, which removes the outlet. Or both wing-backs can simply retreat until they are full-backs in a back five, which solves the problem by conceding the pitch.
There is also the matter of who the wing-backs are. A club with one good wing-back and one ordinary one will find the opposition attacking the ordinary one all afternoon, and no other common formation depends so heavily on two specific individuals.
How the 3-5-2 matches up against a 4-4-2, a 4-3-3 and another back three
Formations do not win matches, but they do decide where the free player is before the match begins. Lay a 3-5-2 over each of the common shapes and the answer changes.
| Opponent | Their forwards against the back three | Central midfield | On each flank | Where the free player is |
|---|---|---|---|---|
| 4-4-2 | Two against three | Three against two | Wing-back against a wide midfielder and a full-back | The 3-5-2 has a spare centre-back and a spare midfielder; the opposition has spare full-backs |
| 4-3-3 | Three against three | Three against three | Wing-back pinned by a winger, full-back behind him free | With the opposition, at full-back |
| 4-2-3-1 | One against three | Three against three | The same as against a 4-3-3 | Two spare centre-backs, who are no use unless one steps into midfield |
| 3-5-2 | Two against three, at both ends | Three against three | Wing-back against wing-back | A spare centre-back for each side; everything else is one against one |
| 3-4-3 | Three against three | Three against two | Wing-back against a wing-back and a wide forward | The 3-5-2 has a spare midfielder and is short on both flanks |
Against a 4-4-2 the shape is at its best. It is one up at the back and one up in midfield, and the two-against-one it faces on the flanks is the least dangerous kind, since a 4-4-2's wide midfielders are usually crossers, not goalscorers. This is why the back three flourished in England when every opponent played two banks of four.
Against a front three it is at its worst.
One spare man is the purpose of the formation. None is a crisis: three forwards against three centre-backs, each defender isolated and no cover behind any of them. The only fix is to bring the wing-backs back to mark the wingers, which makes five against three, restores the cover and turns the side into a 5-3-2 whether it wanted to be one or not. Two spare men is a different kind of failure: against a single centre-forward the side is short of a player further up the pitch.
A rule of thumb long associated with Marcelo Bielsa states the principle neatly: a side should field one more centre-back than the opposition has centre-forwards. Three against a front two. Two, inside a back four, against a lone striker, or against a front three whose wingers the full-backs can take. By that measure the 3-5-2 is the correct answer to a front two and the wrong answer to almost anything else, and its history in England follows the rule closely.
The mirror match, 3-5-2 against 3-5-2, is the oddest. Each side has a free centre-back and nobody else free anywhere, and such games are often decided by which pair of wing-backs wins its individual contest.
Defending as a 5-3-2: five across the box and the question of the full-back
The penalty area is 40.32 metres wide. Five defenders standing across it are about eight metres apart, close enough that no through pass on the ground can go between two of them and no forward can run into a gap that is not already covered. That is the whole appeal of the back five. It does not need a deep-lying midfielder to plug holes in the line, because the line has no holes.
In front of the five are three midfielders, and their task is harder. The pitch at most Premier League grounds is 68 metres wide. Three men cannot cover that standing still, so they do not stand still. They move across as a unit towards whichever side the ball is on, and when it is switched they run to the other.
The two strikers stand in front of the holding midfielders and make the pass through the middle difficult, which leaves the opposition one comfortable route: out to a full-back.
And there the question arises that every 5-3-2 has to answer before kick-off. When the opposing full-back has the ball in space, forty yards from goal, who goes to him?
Three answers, each with a price
The wing-back can go. He is the nearest man. But he has left the winger he was marking, so the wide centre-back must slide out to cover, the central one must follow, and for a few seconds the back five is a back four being pulled sideways.
The nearest central midfielder can go. This keeps the back five intact and is what most sides prefer. It also takes one of three out of the centre. Do it thirty times in a half and the midfielder doing the running will be late to the thirty-first.
A striker can go. It costs nothing defensively and removes one of the two players the side would pass to if it won the ball back.
Most managers settle on the midfielder and accept that their side will tire. Some set a trap instead, leaving the full-back free on purpose and having the wing-back jump only once the pass is on its way, so that the receiver is pressed with his back to the touchline.
Well organised, a 5-3-2 is extremely difficult to score against in open play. Its critics are right about the other half of the bargain: a side defending with eight behind the ball has a long way to travel before it threatens anybody.
Where it came from: Bilardo's Argentina, West Germany and the Italian clubs
Carlos Bilardo's reasoning was a piece of arithmetic. By the early 1980s most sides had stopped playing with wingers. Full-backs therefore had nobody to mark. Bilardo, coaching Argentina, concluded that two of his four defenders were being wasted, moved the full-backs up into midfield, and added a third central defender to deal with the two strikers that nearly everyone did play.
He took the result to the 1986 World Cup in Mexico. Argentina had a sweeper, José Luis Brown, behind two markers, with two wide players who ran the flanks, a midfield built to win the ball, and Maradona given the freedom of the pitch behind the forwards. They beat England 2-1 in the quarter-final and West Germany 3-2 in the final at the Azteca on 29 June 1986.
Bilardo always said the idea was his. Others have a claim. Sepp Piontek's Denmark played something very similar at the same tournament. Several people reached the same conclusion from the same evidence, and one of them won a World Cup with it.
Four years later it was the tournament's dominant shape. West Germany under Franz Beckenbauer played with Augenthaler sweeping behind two markers, Andreas Brehme as an attacking wide player on the left, Lothar Matthäus driving through midfield and two centre-forwards. They beat Argentina 1-0 in the final in Rome on 8 July 1990, Brehme scoring a late penalty. Both finalists had a back three.
Italy keeps it alive
Elsewhere the fashion passed, and by the late 1990s the sweeper was close to extinct. Italy was the exception. Its clubs had a long tradition of an extra defender, and a number of them never gave it up.
English spectators saw one of those sides at close range. Nevio Scala's Parma, who played with three centre-backs and two wing-backs, won the European Cup Winners' Cup at Wembley on 12 May 1993, beating Royal Antwerp 3-1.
The line runs from there to Conte. When he took over at Juventus in 2011 he began with a back four and changed during his first season to a 3-5-2, largely because he had three outstanding centre-backs in Andrea Barzagli, Bonucci and Giorgio Chiellini and one outstanding deep playmaker in Pirlo who needed protecting.
- 3Serie A titles
- 0League defeats in 2011-12
- 102Points in 2013-14
Serie A only, across his three seasons as head coach. The 2011-12 title was won without a league defeat; the 2013-14 points total was a Serie A record.
Conte used the shape again with Italy at Euro 2016, where his side beat Spain 2-0, and with Internazionale. His successor at Inter kept it and took the club to the 2023 Champions League final in Istanbul, where Manchester City completed their treble by beating a 3-5-2, 1-0.
England and the back three, from Robson's sweeper to Southgate's semi-final
England's relationship with three centre-backs is one of long neglect and occasional conversion, usually at a World Cup and usually with a semi-final or a penalty shoot-out at the end of it.
| Tournament | Manager | Back three | How it ended |
|---|---|---|---|
| 1990 World Cup | Bobby Robson | Des Walker, Mark Wright, Terry Butcher | Semi-final, lost to West Germany on penalties |
| Euro 96 semi-final | Terry Venables | Gareth Southgate, Tony Adams, Stuart Pearce | Lost to Germany on penalties |
| 1998 World Cup | Glenn Hoddle | Gary Neville, Tony Adams, Sol Campbell | Last sixteen, lost to Argentina on penalties |
| 2018 World Cup | Gareth Southgate | Kyle Walker, John Stones, Harry Maguire | Semi-final, lost to Croatia after extra time |
| Euro 2020 final | Gareth Southgate | Kyle Walker, John Stones, Harry Maguire | Lost to Italy on penalties, in a 3-4-3 |
Robson began Italia 90 with the 4-4-2 England had always played and drew 1-1 with the Republic of Ireland. For the second match, against the Netherlands in Cagliari on 16 June, he brought in Wright as a sweeper behind Walker and Butcher. England drew 0-0. Accounts differ on how the change came about; the story that senior players pressed for it has been told many times, and Robson maintained the decision was his own. England used the system in the knockout rounds, beating Belgium and Cameroon, and went out to West Germany in Turin after a 1-1 draw.
Hoddle was the one England manager of the era who believed in the back three as a matter of principle. He had played as a sweeper himself as player-manager at Swindon Town and Chelsea, and his England side qualified for the 1998 World Cup with a 0-0 draw in Rome in a 3-5-2. At the finals Darren Anderton and Graeme Le Saux were the wing-backs, Paul Ince held, David Beckham and Paul Scholes played ahead of him, and Shearer and Owen were the strikers. The last-sixteen match with Argentina in Saint-Étienne on 30 June finished 2-2 after Beckham had been sent off early in the second half. England lost the shoot-out, as they had in 1990 and 1996, a sequence set out in our guide to England's penalty shoot-out history.
After Hoddle the idea was dropped for the better part of twenty years. Steve McClaren tried a 3-5-2 once, in a European Championship qualifier in Zagreb on 11 October 2006, and England lost 2-0 to Croatia.
Southgate in 2018
Southgate had more reason than most to trust the shape. He had been one of the three centre-backs in Aston Villa's side of the mid-1990s and in Venables' team for the Euro 96 semi-final.
His 2018 side was built to solve a specific English problem: centre-backs who were good on the ball and not especially quick. Three of them, with the pace of Walker on one side, gave England the security to pass out from the back. England scored twelve goals at the tournament and nine of them came from set pieces, which says something about how the team attacked.
They beat Colombia on penalties, England's first shoot-out win at a World Cup, and Sweden 2-0 in Samara. Against Croatia, Trippier scored from a free-kick in the fifth minute. Croatia equalised from the flank midway through the second half and won it in extra time. It was England's first World Cup semi-final since 1990. The full run of results is in our review of England's record at every World Cup.
Southgate went back to a four afterwards, and returned to three centre-backs for particular opponents, including the Euro 2020 final at Wembley on 11 July 2021. England's goal that night, after two minutes, was crossed by one wing-back and scored by the other.
English club football's two waves of 3-5-2
The first wave followed Italia 90 with a delay of a few years. By the mid-1990s a string of Premier League clubs had gone to three centre-backs and wing-backs.
Roy Evans made the change at Liverpool in 1994-95, after signing Phil Babb and John Scales within days of each other, with Steve McManaman given a free role in midfield and Robbie Fowler in attack. Liverpool won the League Cup that season. Brian Little's Aston Villa won the same trophy in 1996, beating Leeds United 3-0 at Wembley, with Ugo Ehiogu, Paul McGrath and Southgate at the back and Gary Charles and Alan Wright as the wing-backs. Martin O'Neill's Leicester City used three centre-backs to win the League Cup in 1997 and 2000 and to finish in the top ten of the Premier League four seasons running.
Every one of them was playing in a league where nearly all opponents fielded two strikers, the one arrangement a back three is designed for.
When that changed, the wave receded. Once Premier League sides began playing a lone centre-forward with a midfielder behind him, three centre-backs had one man to mark between them and the formation's arithmetic stopped working. For roughly a decade from the mid-2000s the back three was a rarity in the English top flight.
Sheffield United and the overlapping centre-back
The second wave came from several directions at once, and its most original contribution came from Bramall Lane.
Chris Wilder took over at Sheffield United in 2016 with the club in League One. He won that division in 2016-17 with 100 points, won promotion from the Championship in 2018-19, and finished ninth in the Premier League in 2019-20. He had gone to a back three a few weeks into that first season, and the 3-5-2 that carried United up two divisions did something nobody else's did.
The wide centre-backs overlapped. When United had the ball on the right, Chris Basham, nominally a central defender, would run outside his own wing-back and up the touchline like a full-back. Jack O'Connell did the same on the left. The holding midfielder, Oliver Norwood, dropped into the space the centre-back had left, so the back line was never short.
It was a direct answer to the formation's oldest weakness. A 3-5-2 has one player on each flank and its opponents have two. Send a centre-back up the outside and add the nearest central midfielder, and United had three on that flank against two. The method needed centre-backs willing to run sixty yards and trust that somebody would cover, which explains why the idea has been admired more often than it has been copied.
The back three in England is no longer a novelty or a rescue measure. It is one of the ordinary options, chosen when the squad has three good centre-backs and two wing-backs who can run, and put away again when it does not. Further guides to positions and systems are in the football section and on the England hub.