Federico Valverde was fined €500,000 by Real Madrid after a training clash with Aurelien Tchouameni.
The incident occurred on May 6 and left Valverde needing hospital treatment for a facial wound.
What happened?
The two players rowed on May 6 in training and their argument continued on May 7 during and after the session.
Valverde refused to shake Tchouameni's hand and later fouled him in the May 7 training session.
The pair scrapping afterwards in the dressing room resulted in Valverde's injury.
Why it matters for Federico Valverde
Valverde will miss Real's May 10 Clasico against Barcelona as a result of the head injury.
He is expected to be out for up to two weeks.
The club did not impose any sporting sanctions on the two players.
What comes next?
Tchouameni took part in training on May 8 and could feature at Camp Nou this weekend.
Valverde expressed regret at the media coverage of the incident on social media.
He downplayed the severity of the altercation with the France midfielder.
The strain of the competition and frustration caused the situation to escalate, Valverde wrote.
Valverde accidentally hit a table during the argument, causing a small cut on his forehead.
The incident occurred at the club's Valdebebas training complex.
Madrid coach Alvaro Arbeloa accompanied Valverde to the hospital facility.
Valverde needed stitches to treat the facial wound.
The club said both players expressed their complete remorse for what happened and apologised to each other.
They extended their apologies to the club, their teammates, the coaching staff, and the fans.
Tensions are running high at Real Madrid with the club on the verge of a second consecutive season without a major trophy.
Los Blancos trail Barca by 11 points at the top of La Liga.
Hansi Flick's side can clinch back-to-back league titles on May 10 if they do not lose.