At an event celebrating the city's native son, Cardinal Blase Cupich spoke on immigration and the undocumented in his "Sermon on the Mound."

Pope Leo also extended an invitation to join this Holy Year to the cheering crowd, which quieted down, eyes to the video monitors across the field. “In this Jubilee Year of Hope, Christ, who is our hope, indeed calls all of us to come together, that we might be that true living example: the light of hope in the world today,” he said.

As the Chicago White Sox honor Pope Leo XIV with an outdoor Mass on Saturday, his 2005 World Series seat has become a pilgrimage site for the faithful.