Arsenal newcomer Jurrien Timber's debut wasn't one of the bests as he suffered an injury.
The Gunners faced Nottingham Forest in Premier League opener on Saturday and played a 2-1 win.
Timber suffered an injury during the game and limped off in the 50th minute as Takehiro Tomiyasu replaced him.
It has been reported that the player could be out for a lengthy time. According to Sami Mokbel of Daily Mail, Timber suffered a serious knee injury on his debut in Saturday's win over Forest and is set for lengthy spell on the sidelines.
In the upcoming weeks, the Gunners will have key games against Manchester United, Tottenham, Manchester City and Chelsea.
Key Arsenal games in the upcoming fixtures
- vs Man United (H) - September 3
- vs Tottenham (H) - September 24.
- vs Man City (H) - October 7
- vs Chelsea (A) -October 21