Mardle made his commentating debut for the PDC at the 2011 PDC World Darts Championship, working alongside Sid Waddell in a few matches. He also co-presented some of the event with Dave Clark and predicting some of the match results with Rod Harrington and Eric Bristow. Mardle continued his analyzing and commentary career at the 2011 Premier League Darts apart from weeks 3, 5, 9, 10, 11 and 14.