Enzo Maresca insists Chelsea will be allowed to break from his rigid tactics if they need to win Sunday's vital London derby against Arsenal.Maresca revealed error-prone keeper Robert Sanchez is set to start against Arsenal after winning his place back for the win over Leicester.

Enzo Maresca has defended Chelsea's style of play after the Italian found himself under fire ahead of Thursday's UEFA Conference League clash with Copenhagen."Football always evolves," said Maresca, whose side hold a 2-1 lead heading into the second leg of their Conference League last 16 tie against Copenhagen.

LONDON rivals Arsenal and Chelsea renew hostilities in this weekend’s Premier League showdown at the Emirates. SunSport betting experts have previewed the contest and selected the best bets,

Arsenal are unbeaten in their past six Premier League games against Chelsea (W4 D2), their longest run without a league defeat by the Blues since one of 19 matches between 1995 and 2005.

Fourth on the table, the west London side have won their last two matches against lowly Southampton and Leicester City to close the gap to Arsenal to six points. With the race for Champions League places promising to go to the wire,