Auction of Champions

Auction of Champions is the premier destination for authenticated sports memorabilia — right in your pocket. Browse thousands of live auction lots featuring signed jerseys, helmets, trading cards, basketballs, footballs, pucks, photos, and more from the biggest names in sports history. Whether you're a seasoned collector or just getting started, our platform makes it easy to find, watch, and win pieces you'll treasure forever. BID ON YOUR FAVORITES From Tom Brady rookie cards to LeBron James signed basketballs, Patrick Mahomes autos to Caitlin Clark PSA 10s — we carry elite-tier memorabilia across football, basketball, baseball, hockey, golf, soccer, boxing, and more. MULTIPLE AUCTION FORMATS • Daily — New lots every single day • MVP — Premium, high-value items • All-Star — Curated standout pieces • Mystery — Surprise collectibles at great value • Card — Trading card specialists • Helmet — Full-size, mini & midi helmets STAY IN THE GAME Track lots you're winning, losing, or watching. Get notified before auctions close so you never miss a final bid. View your invoices, manage credits, and check out seamlessly — all in one place. WHY AUCTION OF CHAMPIONS? • Authenticated, verified memorabilia • Thousands of active lots at any time • Transparent bidding — no hidden fees surprises • Sports, music, celebrity & historical collectibles • PSA-graded cards and limited-edition pieces New auctions close nightly. Download the app and start bidding today.