London - Swansea City announced on Wednesday that they have appealed against defender Federico Fernandez's dismissal during their 2-1 loss at Liverpool in the League Cup on Tuesday.
The Argentina international centre-back was shown a straight red card by referee Keith Stroud after an injury-time challenge on Philippe Coutinho and now faces a three-match suspension.
"Swansea City can confirm that the club will be appealing the red card issued to defender Federico Fernandez against Liverpool last night (Tuesday)," Swansea said in a statement on their website.
The Football Association will make a decision on the appeal ahead of the Swans' Premier League trip to Everton on Saturday.
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Swansea manager Garry Monk was critical of Stroud's decision to dismiss Fernandez, describing the incident as "clearly not a red card".
He added: "I have seen it back a number of times. If anything, the Liverpool player's foot is higher than ours. How he saw that as a red card... But Keith is a good referee. Hopefully he will see sense and rescind it for us."
Liverpool's assistant manager Colin Pascoe also felt the red card was unduly harsh.
"I can see why they are not happy," said the former Swansea coach. "I didn't think it was a sending-off."
Dejan Lovren's winning header for Liverpool arrived shortly after Fernandez had been sent off, with Mario Balotelli having earlier cancelled out Marvin Emnes's opening goal for Swansea.