 Failing to make the Calder Cup reigning Admirals, he was released from his try-out and on October 28, 2012, was signed to a one-year contract with the Greenville Road Warriors of the ECHL, marking his first return to the league since 2008.On January 24, 2013, the Chicago Blackhawks announced he had signed to an AHL contract with their affiliate, the Rockford IceHogs, for the remainder of the season.On May 13, 2013, McArdle signed his first European contract in agreeing to a one-year deal with VIK Västerås HK of the Swedish HockeyAllsvenskan.