The French defender is happy to be playing again after playing 61 minutes of the youth team's victory over ReadingArsenal defender Bacary Sagna said it was "amazing to be back" after he stepped up his recovery with an appearance for the club's Under-21 side.
The 29-year-old broke his leg for the second time in 12 months against Norwich in May. The right-back has been waiting to make his comeback from injury and has been working hard to get back to fitness again.
"It is amazing to be back, I have been waiting for this moment for five months," Sagna told Arsenal's official website.
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"This was my target: to come back and play, firstly for the Under-21 team. Everything went well and we won, so I am very happy.
"I have been working really hard. I spent some time in the rehab centre, then I came back and worked really hard with the fitness coach and the physios to be ready to play - and finally I have.
"When you have such a big injury once, you take it, but twice is hard. In my mind I was a bit sad, but the next day I was ready for the challenge, which was to come back stronger and I am in a good way today."
The Frenchman has not set a date yet for a return to first-team action, but he hopes that he will be stronger than ever when he does make his full comeback.
"I don't have any target - my only aim is to be ready and bring what I can to my team, to give 100 per cent like always," he added.