The Allentown Red Sox (A-Sox) were a minor league baseball team, affiliated with the Boston Red Sox and based in Allentown, Pennsylvania, that played from 1958 through 1960 in the Eastern League. At that time, the Eastern League was officially Class A, but, prior to the minor-league classification realignment that took place in 1963, that level was almost equivalent to Double-A.

Breadon Field was a minor league ballpark in Whitehall Township, Pennsylvania, located on the east side of MacArthur Road, about 0.5 miles (0.80 km) north of the U.S. Route 22 interchange outside of Allentown, Pennsylvania.