A Los Angeles Chargers Riddell Full Size NFL Speed Helmet Hand Signed By Melvin Gordon & LaDainian Tomlinson. The signatures and item are in excellent condition. Melvin Gordon III is a running back for the Los Angeles Chargers. He played college football at Wisconsin, and was drafted by the Chargers in the first round of the 2015 NFL Draft. LaDainian electrified audiences and destroyed defenses! AUTHENTICATION: The item is accompanied by a Melvin Gordon Exclusive Certificate of Authenticity - Serial Numbered and Databased Hologram - Picture of Players from their signings.