The Ottawa Redblacks are facing off against the Calgary Stampeders in the 106th Grey Cup.
The game is taking place in Edmonton to a sold-out crowd.
This will be a rematch of the 2016 Grey Cup game – Ottawa was victorious in overtime. Calgary has 27 players on this year’s roster that played in the '16 Grey Cup. Ottawa has 13 players
Ottawa beat the Hamilton Tiger-Cats last week in the CFL Eastern Final in Ottawa. It was a record setting game for Ottawa's Trevor Harris. He was 29-of-32 passing for 367 yards and got a playoff-record six.
Calgary advanced to their third Grey Cup final in a row- after beating Winnipeg.
Alessia Cara, 22, will hit the Grey Cup halftime stage Sunday evening.
Kickoff is at 6 p.m. ET and can be seen on TSN.