Arsenal have underlined their Premier League title credentials with an emphatic 5-0 win over Chelsea on Tuesday night. The Gunners got off to the perfect start with a goal in the fourth minute before going on to demolish the west Londoners in the second half. Leandro Trossard grabbed his 10th goal of the season with a smart finish from a tight angle following a neat Declan Rice pass to open the scoring. Ben White doubled Arsenal’s lead on 52 minutes following a corner after Declan Rice’s shot had bounced into his path off Thomas Partey. The third arrived just five minutes later as Kai Havertz …