Wigan hooker Michael McIlorum has lost his appeal against a three-match ban which threatens to end his season.
McIlorum was given the suspension, along with a £300 fine, following his 16th-minute dismissal in last Friday's 26-18 derby defeat by St Helens for a high and late tackle on Saints prop Anthony Laffranchi.
Wigan contested the severity of the suspension, arguing that he had already effectively sat out one match because of his early dismissal, but the appeal was rejected at a hearing in Leeds on Wednesday evening.
McIlorum will begin his ban when the Warriors take on Catalan Dragons in the first qualifying play-off at the DW Stadium on Friday, when a victory would take them straight through to the semi-finals and to within 80 minutes of the Grand Final.
McIlorum's only chance of playing in the final would come if Wigan lose to the Dragons - because it would mean an extra game the following weekend against one of the winners of this weekend's elimination play-offs - and go on to win their next two ties.