Please meet John Scalzi the professional boxer, having a fight in 1996. He’s in the red and he’s fighting against Kenny Caraballo in blue.
Spoiler: Scalzi (14 – 37), a welterweight, loses, although this particular fight doesn’t seem to be part of his official record. Caraballo, his opponent, would have a very short but reasonably impressive pro career: three fights, all won by TKO.
It’s funny what turns up on YouTube, basically.