Rooney began his professional career with the Philadelphia Wings in the 2008 NLL season.
[3] He played in ten games for the Titans before being traded to Rochester for Bill Greer.
[4] Midway through the 2010 season, Rooney was traded again, this time to the Boston Blazers.
[5] The Blazers ceased operations following the 2011 season, and a dispersal draft was held.
[6] Rooney was subsequently released by the Stealth, and then signed by the Toronto Rock.