Sunderland manager Martin O'Neill was delighted with his side's commitment and energy as they beat Arsenal 2-0 in the FA Cup fifth round.
A Kieran Richardson strike and an Alex Oxlade-Chamberlain own goal were enough to dump the Gunners out of the competition at the Stadium of Light.
"I think the fans were pleased with what they saw today," O'Neill told the club's official website.
"There was big commitment and determination from the players and we looked as if we had extra energy.
"I do think that having no game midweek went in our favour and perhaps it went against us last week, today we were ready for the game."
The quarter-final draw takes place tomorrow (Sunday).