Few gave Sunderland, managed by former Chelsea player Gus Poyet, much of a chance before kick-off and it looked like business as usual when Samuel Eto'o gave Chelsea, in their second spell under Mourinho, a 12th-minute lead.

But Sunderland were soon on level terms through Connor Wickham before a penalty eight minutes from time by on-loan Liverpool striker Fabio Borini, himself once of Chelsea, silenced the bulk of the crowd.