Mari is "looking really good in training" following a setback from a screw that had to be removed in his ankle, according to manager Mikel Arteta.
Reiss Nelson: Not on injury report
Nelson wasn't listed on Arsenal's latest injury report after missing the last few matches with a knee issue.
Thomas Partey: Out against Leeds
Partey (thigh) continues to be assessed and will not be available for Sunday's trip to Leeds, according to manager Mikel Arteta. "He has done really well, he is working very hard and he wants to be available. Hopefully we can get him back soon but it is an area where we have to be careful and a bit protective with the player."
Calum Chambers: Continues work with U23s
Chambers (knee) continues to start with the U23s, making the XI for Friday's match.
William Saliba: Playing with U23s
Saliba is in the starting XI for Friday's match with Arsenal's U23s.