Club career: The Bradford-born striker began his league career with Doncaster Rovers in the 1973-74 season, going on to make 184 appearances (65 goals) in his four-and-a-half years at the club. Transferred to Stoke City in March 1978 for £35,000, where he was often used as an "emergency" centre-half. Joined Oldham in 1985.

but suffered a pelvic injury on his debut and was forced to quit the game in December of that year. International career: Won under-21 caps before being given his senior debut by John Giles against West Germany in May 1979 (lost 3-1 at Lansdowne Road). Won six caps over three years, including an appearance against Brazil in the 7-0 defeat on the 1982 South American tour. Where is he now? Now 43, O'Callaghan lives in a village in Shropshire. After retiring from the game, he spent some time as a pottery salesman and had a stint in insurance. These days he spends his time raising funds for charity.