Sports Authority $10 Off $50 or $25 Off $100 Online and In-Store Sports Authority has two coupons available. Note that while some exclusions do apply, your luck may vary in-store. Printable $10 Off $50 Coupon or use TSAMLBX or TSAXXDH online. Valid through 3/7. Printable $25 Off $100 Coupon or use TSAR32 online. Valid through 3/14.