Ronny Deila has returned to MLS to coach Atlanta United, where he is likely to implement a 4-2-3-1 formation focused on ball possession and energetic pressing.

The 2025 MLS season is witnessing a significant turnover, with 12 out of 30 teams, or 40%, appointing new head coaches.

Bruce Arena returns to MLS with the San Jose Earthquakes, emphasizing a flexible tactical approach that does not adhere strictly to possession principles.

Robin Fraser, now at Toronto FC, is expected to adopt a pragmatic style of play as he works to rebuild a fluctuating roster.

Gregg Berhalter, now with Chicago Fire, seeks a balanced approach between possession and direct play, differing from his previous coaching strategies.

Eric Quill, the new head coach of FC Dallas, will also adopt a 4-2-3-1 formation, centering his strategy around star player Lucho Acosta.

Nico Estévez has taken the reins at Austin FC, where he is expected to maintain a 4-3-3 formation, focusing on controlled passing and high pressing.

Javier Mascherano, now at Inter Miami, will continue a ball-oriented approach while managing player rotations and lineup diversity.

Olof Mellberg, new to St. Louis CITY SC, is likely to implement a 3-4-3 formation, focusing on vertical passing and a compact defense.

Bradley Carnell aims to instill a high-pressing style at Philadelphia Union, utilizing either a 4-2-2-2 or a 4-4-2 diamond formation.

Pascal Jansen takes over at New York City FC, expected to utilize a similar 4-2-3-1 formation with a strong emphasis on possession.

Mikey Varas, leading San Diego FC, is tasked with developing a ball-dominant style despite his inexperience, emphasizing player development and tactical understanding.