Liverpool are five points clear at the top of the Premier League after making it six wins from six games.
Jurgen Klopp's men registered a 2-1 victory away to Chelsea in their latest league encounter.
Arsenal fought back with 10-men to defeat Aston Villa 3-2 and move up to fourth in the table.
Elsewhere, West Ham are fifth after beating Manchester United 2-0, while Wolverhampton drew 1-1 with Crystal Palace.