 He signed for the Glanford Park club in August 2001 and after a month with The Iron where he played in 4 games he returned to Grimsby to fight for his place in the team.Grimsby however now had four keepers under contract, Coyne, Croudson and newcomers Ronald Ermes and Morgan Cranley.Croudson made 1 appearance that season, and this would be his last showing for The Mariners in his first spell with the club.