Denver Broncos star quarterback Bo Nix had a stellar ... MORE: Bo Nix's wife Izzy shares her sweetest memories from Broncos' season "Happy Birthday, Bo," Izzy wrote. "He's a leader and a man ...

Last month, a Denver Broncos fan named Adam Simon started tagging quarterback Bo Nix and the team's official account on Twitter/X, asking to get a photo signed for his son's upcoming birthday.