Check out this PSA/DNA Authenticated Marcus Mariota Autographed Tennessee Titans Mini Helmet - PSA/DNA Authentic. This product was hand signed by Oregon Ducks legend and current Tennessee Titans starm Marcus Mariota at an autograph signing in Portland Oregon. To ensure authenticity the hologram can be reviewed online. Marcus Mariota was the 2014 Heisman Trophy Winner who helped turn the Oregon Ducks into a perennial championship contender. Marcus signed this product in black sharpie and the signature is bold and will not fade over time.