Though his club was soon relegated, Boyd established himself in the first team and was appointed captain. He was chosen to represent England at "B" international level. An industrious, dynamic player, described by his goalkeeper Gil Merrick as "a good player and a bloody good captain", Boyd led the team to the championship of the Second Division in the 1954–55 season and to the FA Cup Final and sixth place in the league, still, , Birmingham's record league placing, the following year. He played only once more for Birmingham, forced to retire by the back injury which had disrupted his final season with the club.
