From Old Trafford Failure to San Siro: Can Amorim's Pressing System Revive Milan?

It is June 16, 2026, and Rúben Amorim is back. Less than six months after his acrimonious exit from Manchester United — an implosion that cost the club upwards of £37 million and ended with a public dressing-down of his own director of football — the Portuguese coach has been announced as AC Milan's new head coach on a three-year deal. The Rossoneri are desperate. Allegri has just delivered a fifth-place Serie A finish and Europe's biggest club competition will not feature Milan for the second consecutive year. This is either the second act of a genius, or the sequel to a cautionary tale. The answer lies entirely in the tactics.

The narrative around Amorim's United tenure has calcified into a simple verdict: he failed because the squad wasn't his. That reading is too generous. The truth, as Sky Sports News reported at the time, is more damning — a "refusal to adapt and evolve his preferred 3-4-3 system led to a breakdown in confidence" in the head coach. He won just 24 of 63 matches, finished United's 2024-25 season in 15th place — their worst league performance since relegation in 1974 — and was eventually dismissed in January 2026 following an explosive press conference in which he publicly attacked his own scouting department.

But here is the complication: every single one of Amorim's tactical shortcomings at Old Trafford can be traced back to structural mismatches with the squad he inherited, not to any flaw in the system itself. His 3-4-3 demands athletically versatile wing-backs capable of acting as a third centre-back in defence and a second winger in attack. It demands a striker who can press aggressively from the front, anchoring the counter-press that makes the whole structure breathe. United had neither in sufficient quality. Milan, intriguingly, might have both.

Allegri's season at San Siro was, tactically, an exercise in regression. Data confirmed Milan had the highest PPDA (Passes Per Defensive Action) in Serie A — meaning the least intense high press in the entire division. To contextualise how jarring this is: the Scudetto-winning Milan side of 2021-22 under Pioli had the lowest PPDA in the league. Allegri, by his own admission in a press conference, confessed he struggled to understand the metric. That quote tells you everything about the philosophical chasm between where Milan were and where they need to be.

The consequences showed in the final standings. Despite being in third place heading into the final weeks, Milan managed only one win in their last four league fixtures. A 2-1 home defeat to Cagliari on the final day condemned them to fifth. Roma and Como — a newly promoted side — both leapfrogged them into the Champions League places. For the first time since the 1992-93 rebrand of the competition, neither AC Milan nor Juventus will appear in the Champions League.

Amorim's 3-4-3 — or its variant, the 3-4-2-1 — is built on the precise opposite philosophy. His pressing trigger is the opponent's first touch after receiving from the goalkeeper. The striker initiates by blocking the central passing lane, nudging play toward one flank. The wide forward on that side immediately closes, cutting off the easy outlet. The wing-back holds the width, and suddenly the opponent is trapped in a pocket with no exit. It is geometrically elegant, and it produced some of the finest pressing football in Primeira Liga history at Sporting CP.

Here is where the debate is truly live among Rossoneri fans today. Amorim's system needs specific archetypes, and Milan's current squad is a mixed picture.

The most exciting fit is Christian Pulisic. The American has been Milan's most productive player since arriving from Chelsea in 2023, and in Amorim's 3-4-2-1, he slots perfectly into one of the two attacking midfield roles behind the centre-forward. His ability to receive between the lines, combine in tight spaces, and press from the front are precisely the qualities the system rewards. La Gazzetta dello Sport noted that Amorim's preferred formation "appears ideally suited to many of Pulisic's strengths" — the freedom to drift centrally, attack half-spaces, and combine with a central striker.

Milan Attack — 2025-26 Season

The more complex question is Rafael Leão. The Portuguese forward is reportedly considering leaving Milan this summer, having expressed a desire for a new challenge after seven seasons. Yet he is arguably the single player in the squad most suited to Amorim's front three — an explosive, physically imposing winger who can press aggressively and carry the ball at pace in transition. If Leão stays, Amorim could build his attacking identity around him. If he leaves, an entire transfer window must first solve that problem before the tactical project even begins.

Then there is the wing-back crisis. Amorim's system lives and dies on its wing-backs — they need to sprint 60 metres end-to-end repeatedly, defend as a back five and join the attack as a third forward. Alexis Saelemaekers has the explosive profile that could suit the role on the right. The left side, however, remains uncertain. And perhaps most critically, Milan have no natural pressing centre-forward — the striker archetype Amorim requires to anchor the press from the tip of the structure. A targeted summer signing in that position is non-negotiable, not optional.

Key Facts / Quick Reference

Amorim arrives with something Old Trafford never gave him: a club whose identity, historically, is built on pressing. The Scudetto side of 2021-22 pressed with ferocity. The DNA is dormant, not dead. The pressing returns to San Siro — the only question is whether Amorim has learned, from the wreckage of his United tenure, that a system must be adapted to its environment, not imposed upon it.