Rúben Amorim’s arrival as head coach of AC Milan in June marked a high-stakes attempt at career redemption following his departure from Manchester United.

Tasked with modernizing the Rossoneri and steering them back toward major silverware, the Portuguese manager brought high-intensity tactical concepts to the San Siro.

His early months in Serie A have produced a mixed start defined by encouraging tactical evolution alongside lingering structural vulnerabilities.

A central issue during Amorim’s tenure in England was his strict insistence on a 3-4-2-1 formation regardless of squad personnel or opponent setup.

At AC Milan, he has displayed greater tactical pragmaticism, frequently deploying four-at-the-back systems like a fluid 4-4-2 to better leverage wingers and attacking midfielders.

While this adaptability has yielded emphatic performances—such as a 4-0 away victory over Red Bull Salzburg in the UEFA Europa League—defensive instability remains a recurring problem.

Inconsistent domestic outings, highlighted by a heavy 4-2 home defeat to Bologna, demonstrate that the transition to his high-risk pressing style remains a work in progress.

The locker room dynamic appears stable, with core figures adapting to his intense training regime, though physical drop-offs in the second half of demanding matches continue to cost points.

Whether Amorim's San Siro chapter becomes a successful turnaround or another caution on tactical dogmatism will depend on his ability to blend his preferred pressing intensity with the defensive pragmatism traditional to Italian football.