A judge ruled Monday that Toronto Mayor Rob Ford violated the city's conflict of interest rules.
But Nenshi says "a bet is a bet is a bet," so he plans to wear an Argos jersey at a city council meeting Tuesday.
He will also donate about $650 to the Toronto Food Bank.
Nenshi says he didn't want to act too quickly because he wants the Stampeders to know he's still their No. 1 fan.
Toronto beat Calgary 35-22 in Sunday's game.