Grimsby have been fined by the EFL for fielding an ineligible player in their shock Carabao Cup victory over Manchester United last week. The Mariners beat United 12-11 in a penalty shootout, having led 2-0 in normal time before being pegged back. The EFL said the breach related to Clarke Oduor, who came on as a 73rd-minute substitute. The player's registration was submitted at 12.01pm on the day before the match, shortly after the 12pm deadline required in accordance with this season's competition rules.