image via: espn The rumors about Johnny Manziel signing autographs for $99 on Super Bowl weekend turned out to be true as the 2012 Heisman Trophy winner made a rare public appearance yesterday, showing up at a sporting goods store. Cindy Gaytan, the manager of the Signature Stadium store that hosted Manziel, said he signed more than 150 signatures on helmets, balls and pictures and took more than 70 photos. Signatures cost $99 each, as did professional photos.