Witney Town manager Brian Hughes faces a three-match touchline ban from the Football Association after being shown the red card during the Dr Martens League Oxon Senior Cup quarter-final defeat by Thame United.
Hughes, who named himself as a substitute for Tuesday's tie with Witney's playing rescources decimated, vented his fury on a linesman after Thame were awarded a last-minute corner.
Witney's boss felt it should have been a goal-kick, but his anger was compounded when Martin Brown grabbed an equaliser to make it 2-2 before Thame went on to win 5-4 on penalties.
An FA spokesman said that no decision would be made until they had received the referee's report, but the punishment for foul and abusive language to a match official was a three-match touchline ban.
Hughes said: "We were 2-1 up in the 89th minute when their lad burst through and shot wide.
"The only two people in the ground who thought it was a corner were the referee and the linesman. Even the Thame player swore because he had shot wide.
"I was fuming and I ripped into the linesman and basically that was it. It was pure frustration because it was such a bad decision.
"It is the first time in 25 years that I have been sent off. I have never been in any trouble. I have only been booked twice.
"I would have brought myself on in extra-time purely to take a penalty."
Meanwhile, Hughes must assemble his walking wounded for the trip to high-riding Hastings Town in the Eastern Division tomorrow.
Jason Caffel (hamstring) is the latest to join the casualty list and with Geoff Neville, Matt Hendra and Mike Cook also picking up knocks, Hughes was yesterday unable to name a squad.
There is also some doubt about leading scorer Keith Knight's availability.
Veteran midfielder Les Phillips is doubtful for in-form Banbury United as they seek to continue their good run in the Eastern Division when they entertain lowly St Leonards.
Phillips picked up a hamstring strain as Banbury knocked out Oxford City 2-0 in the Oxon Senior Cup quarter-final on Wednesday.
Player-manager Kevin Brock, who was sacked by City three years ago, admitted that it was a sweet success.
"It was good," he said. "First of all to win the game and then it was good for myself and the other lads who had been at City."
Banbury Utd (v St Leonards, home): from Tricker, Wallbridge, Redknap, Sullivan, Muckleberg, Fuller, Corbett, Phillips, Harrison, Gooderick, McKay, Sherlock, Jenkins, Essex, Travers.
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