Manchester City claimed a comfortable 4-0 victory over Chelsea in the FA Cup third round on Sunday, setting up a potential clash with Premier League leaders Arsenal.

Riyad Mahrez opened the scoring with a well-struck free-kick on 23 minutes, with a Julian Alvarez penalty and Phil Foden strike extending City's advantage before half-time.

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Chelsea continued to lack threat in the second half, and City capped a successful night late on as Mahrez netted from the penalty spot.

Pep Guardiola's side now face the winner of Arsenal and League One side Oxford United, who play on Monday.

Sunday's result means City beat Chelsea for the second time in a week -- the first coming in a 1-0 victory in the Premier League on Thursday. City also knocked Chelsea out of this season's Carabao Cup in Novemeber.