Core Points - Denny's is offering a promotion where existing Denny's Rewards members will receive a free Original Grand Slam® breakfast if a Grand Slam is hit during the championship series [1][12] - The promotion is part of Denny's strategy to engage baseball fans and enhance brand loyalty [3][4] Promotion Details - The promotion is valid for active Denny's Rewards members only, and they must sign up before November 3, 2025, to be eligible [2][6] - The offer can be redeemed from November 3, 2025, through November 10, 2025, at participating Denny's locations [6][12] - Members will receive an email notification with a unique barcode for the free breakfast if a Grand Slam occurs during the series [12] Company Background - Denny's has been a family dining restaurant brand for over 70 years, known for providing meals at a meaningful value across various dining times [7] - As of June 25, 2025, Denny's operates 1,484 restaurants globally, with 1,422 being franchised and licensed [8]