Chelsea came back from 2-1 down to beat Watford 4-2 in a frenetic encounter at Stamford Bridge. Pedro opened the scoring for the Blues with a world-class strike in the 12th minute but the visitors refused to lay down and hit back with goals either side of the break.
Abdoulaye Doucoure beat Thibaut Courtois at his near post to level in first-half stoppage time and, when Roberto Pereyra put the visitors ahead, it looked like Chelsea, whose defending was at times shambolic, might be heading to a third straight Premier League defeat.
Blues boss Antonio Conte's decision to replace Alvaro Morata with Michy Batshuayi on the hour mark proved pivotal as the Belgium international equalised with a fine header.