 Complete the following phrase:  He was converted to full back while playing for Birmingham Citys reserve team, and made his first-team debut in that position in January 1951, though did not become a regular for the first team until 1953. He was part of the Birmingham City side that won the Second Division Championship in the 195455 Football League season. In 195556, he was part of the team that reached the clubs highest ever finishing position, sixth in the First Division, and the 