The Kansas City Blues slam 10 home runs against St. Paul to set an American Association record for most homers by one team and tie the record for most by two teams. St. Paul hits none.

This Day In Baseball

On June 29, 1952 The Kansas City Blues slam 10 home runs against St. Paul to set an American Association record for most homers by one team and tie the record for most by two teams. St. Paul hits none.

Source
Baseball Reference June 29