Grimsby Town have released a quartet of players as they aim to stay in the Football League.
League Two strugglers Grimsby Town have transfer-listed four of their squad.
Mike Newell has played down the chances of Grimsby bringing in any new loan signings.
Brentford captain Matt Heywood is in talks about a new deal with the League Two outfit.
Brentford defender Matthew Heywood looks unlikely to feature for the club again this season.