Chelsea eased to a victory over London rivals Arsenal to keep their Premier League title bid on track at Stamford Bridge.
Marcos Alonso headed Antonio Conte's men into a first-half lead and Eden Hazard's stunning solo goal doubled their lead in the second period.
Cesc Fabregas made it 3-0 after a Petr Cech howler before Olivier Giroud scored a late consolation strike for the visitors.
Here, Sportsmail's KIERAN GILL runs the rule over the performances of both sets of players.
CHELSEA (3-4-3)
Thibaut Courtois – 8
Top save to deny Gabriel from scoring a free header and another to tip Welbeck's effort wide.