Diaby is one of several players likely to be drafted in by Arsene Wenger, who is expected to rest the majority of his first-team players ahead of Saturday's Premier League derby against Tottenham, with youngsters Hector Bellerin, Isaac Hayden, Chuba Akpom and Semi Ajayi all likely to be given a chance.
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'The 28-year-old Diaby has been plagued by injury setbacks since joining Arsenal eight seasons ago, suffering a broken ankle in a tackle from Sunderland defender Dan Smith in May 2006 and most recently undergoing surgery following anterior cruciate ligament damage in his left knee which sidelined him for all but the final match of last season.
'Wenger, though, believes the France international, who played 90 minutes for the Under-21s last week, is still able to be competitive at the highest level.
“He is a giant, mentally,” said the Arsenal manager. "To do what he has done, with the severe injuries he had, he comes back every time, is dedicated and he deserves a lot of respect.