[3] Born in South Shields, County Durham,[1] Crosby played his football for Aldershot, making 258 appearances between 1971 and 1980 and netting 21 goals.
In an exchange deal involving Ian MacDonald he moved to York City and was a vital part of their 1984, record-breaking, Fourth Division title-winning team.
Despite reaching the Cup Final, Crosby failed to inspire Sunderland in the league, and he was sacked in February 1993 to be replaced by Terry Butcher.
Crosby was appointed chief scout at Birmingham City in July 2012 as part of Lee Clark's backroom staff.
[12] He was appointed Wigan Athletic Chief Scout in summer 2016 and left the club on 27 October 2016 following the sacking of Gary Caldwell.