Crimson Replica Nike University of Oklahoma Sooners Baker Mayfield jersey, size XXL, signed in black marker on the back by Baker Mayfield, who added the inscription “17 HEISMAN” below his signature.

Signed at an official paid private autograph session held on June 22, 2018 (before Mayfield’s Rookie NFL Season).

Sold with Certificates of Authenticity from both The Autograph Source (Lifetime Guarantee) and independent third-party authenticator Beckett Authentication Services (BAS).