For the Grey Cup they played against the Saskatchewan Roughriders, which they won.
1989
Saskatchewan's opponents in 1989 were the Hamilton Tiger-Cats.
Eagle Keys
Saskatchewan has never played Calgary in the Grey Cup. Because of the crossover playoff rule, it is now possible to have a "West vs. West" Grey Cup but it has never happened. Perhaps you are thinking of the Ottawa Rough Riders, who Calgary defeated to earn their first Grey Cup in 1948.
Who was the Backup Full Back for George Reed in the 1966 Grey Cup
Montreal Alouettes Um no actually that was the Saskatchewan Roughriders thank you.
The Sarnia Imperials won their second Grey Cup in 1936, defeating Ottawa.
They have played in 19 Grey Cups, winning four of them.
In 1995 Baltimore Stallions defeated Calgary Stampeders 37-20. The game was played in Regina, Saskatchewan.
The 95th Grey Cup Game was played in Toronto at the Rogers Centre on November 25, 2007, between the Eastern Conference champion Winnipeg Blue Bombers and the Western Conference champion Saskatchewan Roughriders, with the Jolly Green Giants from Regina (i.e., Saskatchewan) winning by a score of 23-19.
Four times, most recently in 2010.