Chelsea goalkeeper Thibaut Courtois is upset for Nemanja Matic after his dismissal for their 1-1 draw with Burnley.
It means Matic will be suspended for the Capital One Cup final against Tottenham.
"We have a difficult game next week and Matic has been very good for us this season," Courtois told Chelsea TV.
"It's a pity he can't play in the final, but of course we have other players who also need to do their job.
"We will still have a strong side, so I don't think it will be a huge problem, although of course Nemanja will be missed."