Newcastle United boss Eddie Howe has admitted his side's midfield "didn't function well" during their 2-1 defeat to Brighton at the Amex Stadium.
Chelsea's injury crisis deepened on Saturday as the Blues fell 3-1 at home to Brighton, with Trevoh Chalobah's red card adding to an already stretched squad.
Chelsea head coach Enzo Maresca admitted his frustration after a costly red card helped turn a dominant performance into a 3-1 home defeat against Brighton on Saturday.
Tottenham manager Thomas Frank praised his team's mentality and resilience after they came from 2-0 down to draw 2-2 at Brighton - a result he believes marks their best performance of the season.
Saturday's Premier League fixtures offered up plenty of drama, with Manchester United's win over Chelsea the pick of the action.
Manchester City, Tottenham and Sunderland got their Premier League campaigns off to winning starts, while Brighton and Fulham could not be separated in opening-day action on Saturday.