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.

The fan who caused Arizona Diamondbacks All-Star second baseman Ketel Marte to break down in tears Tuesday night after heckling the player about his dead mother has been banned from all MLB stadiums, the league said Wednesday. Marte's mother died in a 2017 car crash in the Dominican Republic.

The baseball world is coming together in support of Marte. Learn what happened to the Diamondbacks player during a June 2025 game against the White Sox.