The 20-year-old Senegal international scored the opening goal in the 2-0 win over Erik ten Hag's side, with Man Utd's midfield unable to cope with his surging late runs into the penalty area.
Manuel Akanji (Man City)
"Didn't put a foot wrong and looked comfortable moving into a midfield role."
James Ward-Prowse (West Ham)
"Two assists on his debut, which couldn't have gone any better. Brilliant!"
Dominik Szoboszlai (Liverpool)
"His first match at Anfield and he didn't disappoint with a terrific all-round performance."
Pape Matar Sarr (Spurs)
"Came up with a great goal and Man Utd's midfield simply couldn't cope with him."
Solly March (Brighton)
"Two goals and a constant threat for free-scoring Brighton."
Phil Foden (Man City)
"Excelled in a No 10 role, creating chances at will."
Kaoru Mitoma (Brighton)
"Scored a Goal of the Season contender from a mesmerising run, along with another assist."
Manager: Roberto De Zerbi (Brighton)
"Brighton have picked up where they left off last season, with two wins from two and eight goals!"