Colaiacovo, 25, backstopped the Tilburg Trappers of the Dutch Super League to one of their greatest seasons in 2007-08 as the Trappers finished 30-6-0 and captured their 13th Dutch National Championship along with the 2008 Dutch Cup Championship and the 2008 European Super Cup Championship. The Etobicoke, Ontario native and five-year professional appeared in 47 games and sported a 2.75 goals against average.

Colaiacovo went 43-17-5 in 67 games from 2004-07 with the Colorado Eagles of the Central Hockey League with a 2.55 goals against average and a .916% save percentage over that period. He helped lead the Eagles to their first championship in 2004-05 going 4-0 in the President's Cup Playoffs and registering a 1.00 goals against average and a .962% save percentage. Colaiacovo also helped the Eagles capture a second President's Cup in 2007.

Colaiacovo was the 2004 Ontario Hockey League Goaltender of the Year. His twin brother, Carlo, is a defenseman with the Toronto Maple Leafs.

Colaiacovo is the tenth player to agree to terms with the RoadRunners for the 2008-09 season joining forwards Mitch Carefoot, Wes Clark, Andrew Desjardins, Bryan Esner, Gino Guyer, James McEwan, Peder Skinner and Chris Stevens, and defenseman Matt Burke.

Phoenix will play a two-game pre-season series against the Florida Everblades Oct. 10-11 at Germain Arena in Estero, Fla.