The WIFU increased their games from 8 to 12 games per team. The Hamilton Tigers, formerly of the IRFU joined the ORFU, and the Hamilton Wildcats joined the IRFU on Friday, April 9. The Regina/Saskatchewan Roughriders and the Calgary Stampeders changed their team colours. The Roughriders adopted green and white and the Stampeders reverted to red and white. In the Grey Cup game, the Stampeders introduced pageantry with saddle horses and chuck wagons as they defeated the Ottawa Rough Riders 12–7 to win their first Grey Cup.