The Eagles fell to an agonising defeat to Liverpool in their most recent game, as Christian Benteke converted a highly controversial penalty in the final moments of the clash at Selhurst Park. And after the disappointment of the loss to the Reds, Ledley has urged his teammates to use the frustration from the defeat to get their season back on track, starting with their FA Cup quarter-final with Reading on Friday.
"We are hurting from that - it was a bad defeat," he told the London Evening Standard.
"We should be winning games like that. We need to get a bit of anger inside us and get the win. It would be massive if we can get to Wembley."
Alan Pardew's men have not won in the Premier League since December, with the defeat to Jurgen Klopp's side extending their winless run to 12 games. That form has seen the club slide outside of the top half of the table, and fall into a position from which some are talking about them as outside candidates for relegation.
They have had much more luck in the FA Cup however, having beaten top flight teams in each of the previous three rounds to reach the last eight where the Championship side stand between them and a place at Wembley.
And Pardew will be hoping that they continue to maintain their good form in the cup when they come up against the Royals in the hope that that momentum starts to rub off on their league form.