Get 20% Off Sitewide via code FRIENDS20 at SportsAuthority.com. This even pairs with already discounted items. Choose from sports apparel, sporting goods, camping gear, and more for men, women, and kids. The pictured Nike Men's City Court VII Tennis Shoes drop from $55 to $49.99, and then to $39.99 with the code, the best we could find by $13. Shipping adds $6.99, or is free with most orders over $75. Sales tax is charged in most states.