Real Madrid coach Zinedine Zidane insists Gareth Bale was fully fit going into the El Clasico.
Bale was forced off before halftime in defeat to Barcelona on Sunday.
Zidane said: "He's hurt himself but he was 100%. In the two training session he trained normally. Then that happened, but it's something that can't be avoided. Players want to play.
"When you've had a long term injury, its difficult when you come back. You train and there can be other pains. Hopefully he's not out long, it's an injury but it's not serious and we're going to try to have him back quickly.
"If I could do it again I'd do the same thing. He trained normally and wasn't in pain. The important thing is that there is clarity between the two of us. I trust what the players tell me and he was ok. He hurt himself and we can't be happy. Hopefully he's back with us soon."
He added: "I hope he's with us before the end of the league. You tell me that its grade 2, but it's the same. The doctors tell me things, it's a small thing and we'll see if he's with us soon.
"We will see how things go day to day. I trust the people who work here. Everyone wants to play in the games. Everyone else was motivated and wanted to play in the game, it's normal."