Arsenal boss Mikel Arteta added four U23 players to senior training this week.
Defenders Mazeed Ogungbo and Jonathan Dinzeyi have both been involved along with midfielder Mauro Bandeira and goalkeeper James Hillson.
None of the quartet started for the U23s against West Bromwich Albion on the weekend, with Ogungbo the only one to be involved as he came on at half time.
The Gunners host Brentford on Saturday.
Jeorge Bird's Arsenal youth website reports Ogungbo could have a chance of making the bench depending on Takehiro Tomiyasu's availability.
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