 Cartwright continued for a year in the first team, and, despite only playing a single first-team match throughout the 1975 season, was back into the first team in 1976 after an impressive run for the Second XI.He continued in the first team until 1979, scoring a half century in his final County Championship game in 1979.The Derbyshire native recorded one first-class century, a 141* against Warwickshire in 1977.