Germany international Leon Goretzka has undergone surgery to alleviate a haematoma, Bayern Munich have confirmed.
The Real Madrid midfielder has been a regular for his country for several years, but Toni Kroos is mulling over his Germany future.
Bayern Munich are reportedly on the verge of signing Ivan Perisic, but Kingsley Coman showed the wing quality they have in their ranks.
Bayern Munich will face Tottenham in the Audi Cup final on Wednesday after sweeping aside Fenerbahce in style.
Marco Giampaolo oversaw defeat in Milan's pre-season opener as Leon Goretzka's 48th-minute goal guided Bayern Munich to victory on Tuesday.
A half-volleyed rabona with enough back-spin on it to roll it backwards into the net is no mean feat, but Leon Goretzka pulled it off.
Germany made it three wins from as many games in Euro 2020 qualifying, as they crushed Estonia 8-0 on Tuesday.
VAR contentiously denied Leon Goretzka the goal that would have won the Bundesliga and Bayern Munich president Uli Hoeness is fuming.
The Bundesliga title race will go to the final weekend after Bayern Munich failed to beat RB Leipzig, drawing 0-0 on the road.
First-half goals from Robert Lewandowski and Leon Goretzka set Bayern Munich on their way to a 3-1 Bundesliga home win against Hannover.