 Complete the following phrase:  He joined Manchester Uniteds youth team on leaving school in the summer of 1952. He became a first-team member at right-half during the 1955-56 season, ousting Jeff Whitefoot to play alongside Duncan Edwards. He finished the season with a Football League First Division title medal. He collected another league championship medal the following season, and also helped United reach the European Cup semi-finals. He played in the FA Cup 