Game Day Legends is an online destination for collectors seeking authentic autographed sports memorabilia and other fan collectibles. Its catalog spans football, basketball, baseball, hockey, golf, NCAA sports, soccer, tennis, boxing, WWE, and more. Shoppers can find signed full-size, mini, and midi helmets; jerseys; balls; bats; pucks; sticks; photos; shoes; trading cards; framed collages and plaques; and select pop-culture collectibles. The store highlights items authenticated by organizations including Beckett, JSA, Fanatics, and Radtke, and offers hologram verification information.

Beyond traditional shopping, Game Day Legends hosts live breaks through platforms such as eBay Live, Whatnot, TikTok, and Fanatics Live, giving collectors another way to discover items. Its trade-in program lets eligible customers exchange collectibles for store credit, including items acquired through live-streaming breaks. The site also offers consignment, gift cards, and a make-an-offer feature on many products. With collections organized by sport, team, item type, and price range, Game Day Legends serves fans building a first display as well as collectors seeking premium signed pieces.