#10 The scuffle at Stamford Bridge
Even though he bought great success to Chelsea in his time there, Mourinho has had a frosty relationship with his former side since joining United. There was a very public fallout with Antonio Conte, which also involved Mourinho taking offense at Conte’s actions during the Blues’ 4-0 win over United in the 2016/17 season.
The Red Devils looked like they had picked up a vital win at Stamford Bridge earlier this season, with an impressive double from Anthony Martial helping them come from behind to lead 2-1. However, with almost the last kick of the game, Ross Barkley fired in an equalizer. Chelsea assistant coach Marco Ianni celebrated the goal in front of Mourinho and appeared to taunt the United manager. He took issue with this, and a scuffle ensued in the tunnel. Ianni was later charged, and fined, by the FA.