Once the team found out what had happened, it worked with MLB to identify and punish the fan in question. Though the White Sox didn't release the fan's name, they said that the 22-year-old would be banned from all MLB ballparks indefinitely.

The Chicago White Sox have indefinitely banned a fan from their home games after he brought Arizona Diamondbacks' Ketel Marte to tears after heckling him about his late mother.

A man at a baseball game who ridiculed the dead mother of the Arizona Diamondbacks' Ketel Marte has been banned by the White Sox and Major League Baseball indefinitely, the league confirmed Wednesday.