John Sherman Lollar Jr. was an American professional baseball player and coach. He played in Major League Baseball as a catcher from 1946 to 1963, most prominently as a member of the Chicago White Sox where he was a perennial All-Star player and was an integral member of the 1959 American League pennant-winning team.

The Chicago White Sox are an American professional baseball team based in Chicago. The White Sox compete in Major League Baseball (MLB) as a member club of the American League (AL) Central Division. The team is owned by Jerry Reinsdorf, and plays its home games at Guaranteed Rate Field, located on Chicago's South Side. They are one of two MLB teams based in Chicago, alongside the National League (NL)’s Chicago Cubs.