Brawl in Bayern training - Boateng hit Goretzka with his hand to the face (Bild)

Goretzka went into a challenge & fouled Boateng without the ball. The latter reacted and hit Goretzka with his hand to the face, according to Bild.

Robert Lewandowski was first to jump in and pull Boateng away. Flick then intervened and talked to Boateng.

Thomas Müller was also annoyed with Goretzka, telling him: "Always the same sh*t with you.." - Goretzka was complaining about a penalty situation during the water break, Müller wanted to explain the situation to him, Goretzka then made a hand gesture that Müller didn't like.

There was no apologies between Boateng and Goretzka on the pitch. According to BILD, the players will not face punishment from the club.