 Driedger played the 2010–11 season with the Tri-City Americans, before being acquired by the Calgary Hitmen in an off-season trade prior to the start of the 2011–12 season.In his first season with the Hitmen, his outstanding play was recognized when he was invited to play in the 2012 CHL/NHL Top Prospects Game.Drafted in the third round of the 2012 NHL Entry Draft by the Ottawa Senators, Driedger continued to play with the Calgary Hitmen though to the end of the 2013–14 season.