Arsenal may have lost their 22-game unbeaten run in defeat to Southampton, but they maintained their 100 per cent record of failing to lead at half-time in the Premier League this season.
Chelsea eased past Brighton on the south coast to keep pace with the sides above them thanks once again to the talismanic Eden Hazard.
Sportsmail takes a look at what you might have missed from Sunday's early action.
Mover and Xhaka
Granit Xhaka struggled to fully convince in his first two seasons after joining Arsenal in 2016.