On Thursday afternoon -- running with a claim by an ABC News reporter -- the Chicago Cubs boasted that Pope Leo XVI was a fan of theirs, with their famous signage outside Wrigley Field telling the locals the good news: "Hey, Chicago. He's a Cubs fan!"

But Leo, John insisted, always rooted for the White Sox. The pope was born Robert Prevost in 1955 and raised in Dolton, Ill., just south of the Chicago city limits. Following on avid soccer fan Pope Francis, the athletic world appears to have received another sports-loving pope.

A lot has changed since the last time a new pope was elected. But with the Catholic Church ushering in Chicago native Robert Francis Prevost, curiosity surround