 Steve eventually returned from injury in early 2003, and went on to score his only goal for The Mariners in a 4–1 home defeat against Crystal Palace.Grimsby were relegated at the end of the 2002–03 season, Groves decided against offering Chettle a fresh contract, thus sealing his departure from the Lincolnshire club.Several months after his departure from Blundell Park, Chettle acted upon an offer to work with Nigel Clough, the son of his former Forest manager, and sign with Conference National side Burton Albion.