The Gunners duo missed out on Tuesday's FA Cup clash with Hull but return to the starting lineup alongside Francis Coquelin for the visit of Quique Sanchez Flores' side.
Arsenal has recalled Alexis Sanchez and Mesut Ozil for the FA Cup sixth round clash with Watford after both were rested against Hull City on Tuesday.
The Gunners are looking to book a place in the semifinals of the competition as they target a third consecutive crown and take on their Premier League rivals on Sunday.
The duo return to the starting XI alongside Francis Coquelin, having missed out on the midweek clash.