Mario Chalmers Signed Jersey About Athlete: Former Kansas Jayhawk who hit the game tying National Championship shot vs. Memphis in the 2008 title game. Mario had his jersey # 15 retired by Kansas in 2013. One of the greatest Jayhawks of all time. He has also won 2 NBA titles with the Miami Heat. Chalmers also wrote 08 CHAMPS on the jersey. Custom jersey, name and numbers sewn on. Size XL. Stock image, you will receive one of equal quality. Authentication: Autograph is authenticated by James Spence Authentication (JSA). Item has a unique JSA sticker number fixed to the item with a matching certificate of authenticity from JSA. It is a "witness" certificate, meaning a representative from JSA was present for the Chalmers signing and witnessed him signing your item.