The regular-season schedule began on Thursday, June 26, with an East-West double-header. For the first time since 1977, the season opener took place at Hamilton's Ivor Wynne Stadium, with the host Tiger-Cats losing to the Montreal Alouettes 33–10. The second game of the double-header saw the Calgary Stampeders at home, where they prevailed 28–18 over the BC Lions. The Toronto Argonauts opened by beating the host Winnipeg Blue Bombers 23–16 the following night, and the Saskatchewan Roughriders defeated the Edmonton Eskimos, in Regina, by a score of 34–13 on June 28.