However, Warnock has told his squad that they can be pleased with their efforts throughout the campaign.
"In the first 10 minutes, I think it was a lesson for the young lads and I was quite pleased they did not fold," he told ESPN. "Let's be fair though, they are still miles better than us.
"We beat Tottenham; Everton and Southampton have had great runs in both cups, so the players should be proud."
Leeds are currently 12th in the Championship table.