There are 5 Steiner Sports coupons that include promo codes and free shipping deals for October 2021 for you to choose from. Our top coupon for today is a 5% Off coupon code. Use a promo code to save on sports memorabilia at Steiner Sports. Sports fans will love the commemorative products they'll find at Steiner. From autographed helmets and jerseys to the display cases you need to show them off, you'll find it all here.