Chelsea secured victory at Tottenham, but an allegation of racism from fans towards Antonio Rudiger was reported during the battle between two London clubs fighting for the Premier League top four.
Frank Lampard has promised to back his Chelsea players if they ever ask to walk off the pitch amid any future racist abuse.
Manchester United slumped to defeat at bottom club Watford before manager Ole Gunnar Solskjaer accused his players of treating the Premier League game as a testimonial.
Son Heung-min was shown red for kicking out at Antonio Rudiger as Willian hit a double for Chelsea in their 2-0 win over Spurs at Tottenham Hotspur Stadium in London.
Ismaila Sarr and Troy Deeney’s quickfire second-half goals secured a first victory for Nigel Pearson’s Watford over Manchester United as the Hornets moved level with Norwich at the bottom of the table.
Manchester City came from behind to turn up the heat on Leicester with a 3-1 defeat of the Foxes at the Etihad Stadium.
Carlo Ancelotti and Mikel Arteta watched new clubs Everton and Arsenal play out a low-quality 0-0 draw at Goodison Park on Saturday.
Everton have appointed Carlo Ancelotti as their new manager on a four-and-a-half-year deal.
New Arsenal head coach Mikel Arteta is ready to channel the ruthlessness he witnessed under Pep Guardiola as he sets out to whip the Gunners into shape.
Pep Guardiola has refused to comment on Arsenal’s conduct over the appointment of Mikel Arteta as their new boss.