Tottenham Hotspur suffered their second cup exit in a week after being dumped out of the FA Cup on Sunday at Crystal Palace.
Spurs were knocked out of the Carabao Cup on Thursday and suffered more misery at Selhurst Park, as goals from Connor Wickham and Andros Townsend sent the hosts into the fifth round.
Meanwhile, Chelsea avoided an upset against Sheffield Wednesday with a 3-0 win at Stamford Bridge.
Two goals from Willian and a Callum Hudson-Odoi strike were enough for Maurizio Sarri's men to progress to the fifth round.
Sunday's Results
Crystal Palace 2-0 Tottenham
Chelsea 3-0 Sheffield Wednesday
Remaining Fixture
Sunday Recap
Crystal Palace got off to the perfect start at Selhurst Park, as Wickham tapped home the opener from close range after just nine minutes.