Diego Costa completed a late comeback for Chelsea after Michy Batshuayi got his first goal for the club, as the Blues fought back from a goal down at Vicarage Road to win 2-1.
Etienne Capoue netted his second in two games to put Watford ahead as a drab first half gave way to pulsating second period. Capoue's fierce strike ten minutes after the break looked decisive until Chelsea's late show.
Eden Hazard wasted a couple of big opportunities but played a big part in getting his side back level as his shot was spilled into the path of Batshuayi to send the Blues home with a point.