By Tom Gott Graham Potter’s return to Brighton could hardly have gone worse as the Seagulls tormented his Chelsea side to the tune of a 4-1 victory. Leandro Trossard opened the scoring inside three minutes before Ruben Loftus-Cheek and Trevoh Chalobah turned into their own net in a catastrophic first half, after which Kai Havertz’s consolation header meant very little. Thiago Silva was both villain and hero in the first few minutes. A poor pass gifted Trossard with a chance which the Brazilian had to clear off the line, before he again repelled Pervis Estupinan’s strike from the corner that fo…