Details.
$9.99 Original Grand Slams are available on the day before each 2026 Saskatchewan Roughriders home game at any of Denny's four Saskatchewan locations. $5 from every Riders Slam sold benefits the Roughrider Foundation. Available with the purchase of a regular priced beverage. On Riders Slam days, guests can also enter for a chance to win an official Roughriders jersey this season. No purchase necessary for the jersey contest. The Riders Slam is only available on May 22, June 12, June 25, July 11, July 22, August 6, August 28, September 5, October 1, October 16 and October 23, 2026. Promotion availability may vary by location.
