Zach Thomas Signed Texas Tech Red Raiders Jersey (JSA COA) Miami Dolphins HOF LBThis autographed custom on field style adult XL jersey has been personally hand signed by Zach Thomas of the Texas Tech Red Raiders. This autograph is certified by James Spence Authentications (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram and matching Certificate of Authenticity. Custom on field style jerseys are a more affordable option for autograph