Tracked by Evreward since 2005, Modell's Sporting Goods offers coupons, cash back rebates and rewards, with savings as high as 25% off. Modell's Sporting Goods discount coupons are rare, only available once or twice a year, but are often more valuable than similar merchants. Even when Modell's Sporting Goods doesn't have a coupon, you can always earn rewards with every purchase.