An Ohio State Buckeyes Speed Authentic NFL Helmet hand signed by Jack Sawyer. The item and signature are in excellent condition. Jack Sawyer is a linebacker for the Pittsburgh Steelers in the NFL. He played college football for the Ohio State Buckeyes and was selected by the Steelers in the fourth round of the 2025 NFL Draft. AUTHENTICATION: The item has been tagged with a SmarTag powered by Prova Technology, which gives you digital access to the items authentication records, including a proof picture from the signing.