The Chicago native and confirmed Sox fan formerly known as Robert Prevost couldn’t help but get caught up in a White Sox chant earlier this week as he rode through Vatican City in the popemobile, video shows.

Thousands went to the first American pope’s old haunt on the South Side to hear a message from the man they once knew as Robert Francis Prevost.

Supporters of Pope Leo XIV gathered Saturday, not in a cathedral or a church, but a baseball stadium the pope once frequented years as Robert Francis Prevost.