Diaz agreed, but only if the fan agreed to meet him in honorable combat. See video below, courtesy of Championship Rounds (originally posted to Diaz’s Instagram Stories). The fan appeared to be inspired by Shara Magomedov’s recent double backfist knockout as he attempted the maneuver twice in the clip,

If you want a signature from MMA superstar Nate Diaz, you're gonna have to work for it. At least, that was the case for one fan who asked the former UFC fighter to sign a pair of UFC gloves he had on him. Stockton's Diaz would oblige - but not without a fight, as he put on the gloves for an out-of-the-blue sparring session on the street.