Rosenior: 'It's clear' where we need to improve Chelsea head coach Liam Rosenior speaks to the media following his side's disappointing 2-1 loss to rivals Arsenal in Matchweek 28. 4:57 Now Playing Paused Ad Playing James reacts to Chelsea's 2-1 loss to Arsenal 2:51 Now Playing Paused Ad Playing Chelsea's errors 'holding them back' this season 8:24 Now Playing Paused Ad Playing Rosenior: Tactics 'went out the window' in win 1:20 Now Playing Paused Ad Playing Arteta reflects on Arsenal's win over Chelsea 5:01 Now Playing Paused Ad Playing PL Update: Arsenal show grit against Chelsea 13:41 Now Playing Paused Ad Playing 'Outstanding' Arsenal outlast 10-man Chelsea 3:58 Now Playing Paused Ad Playing Rosenior, Slot feeling immense pressure to deliver 21:41 Now Playing Paused Ad Playing Arsenal 'have to win' v. Chelsea to hold off City 1:36 Now Playing Paused Ad Playing Rosenior backs Palmer following costly late mistake against Leeds 0:33 Now Playing Paused Ad Playing Rosenior says Chelsea deserved half-time boos 0:30 Now Playing Paused Ad Playing Rosenior: 'It's clear' where we need to improve NBC Sports Sun, Mar 1, 2026 Chelsea head coach Liam Rosenior speaks to the media following his side's disappointing 2-1 loss to rivals Arsenal in Matchweek 28. Rosenior: 'It's clear' where we need to improve Chelsea head coach Liam Rosenior speaks to the media following his side's disappointing 2-1 loss to rivals Arsenal in Matchweek 28. 4:57 Now Playing Paused Ad Playing James reacts to Chelsea's 2-1 loss to Arsenal 2:51 Now Playing Paused Ad Playing Chelsea's errors 'holding them back' this season 8:24 Now Playing Paused Ad Playing Rosenior: Tactics 'went out the window' in win 1:20 Now Playing Paused Ad Playing Arteta reflects on Arsenal's win over Chelsea 5:01 Now Playing Paused Ad Playing PL Update: Arsenal show grit against Chelsea 13:41 Now Playing Paused Ad Playing 'Outstanding' Arsenal outlast 10-man Chelsea 3:58 Now Playing Paused Ad Playing Rosenior, Slot feeling immense pressure to deliver 21:41 Now Playing Paused Ad Playing Arsenal 'have to win' v. Chelsea to hold off City 1:36 Now Playing Paused Ad Playing Rosenior backs Palmer following costly late mistake against Leeds 0:33 Now Playing Paused Ad Playing Rosenior says Chelsea deserved half-time boos 0:30 Now Playing Paused Ad Playing