Laurent Koscielny and Theo Walcott may be available to make the squad.
The Gunners reportedly made an approach to the Barca starlet in the summer transfer window.
Sam Allardyce expects Jack Rodwell to return to training on Friday but Sebastian Larsson is still out.
Former Spurs boss believes Gunners will fall short in Premier League and Europe once again.
Chile boss Jorge Sampaoli confirms Sanchez will return to his homeland to recover.
The England international plays the full 90 minutes ahead of a potential first team return.
Bellerin unconcerned by the double injury blow after 1-1 draw with Norwich City.
Top-flight clubs paid a total of £129.86m to authorised agents between October 2014 and September 2015.
Gunners boss has reacted angrily to claims that injured Chilean star should have been rested.
Gunners boss spoke about the tight situation at the top of the Premier League.
Spaniard spoke with IBTimes UK after the Champions League victory over Dinamo
"If I find the right quality, I will do something," says the Gunners boss.
Nwakali was crowned the best player in the recent competition.
Spanish right-back spoke to IBTimes UK following the 3-0 victory over Dinamo Zagreb.
Olivier Giroud and Hector Bellerin were withdrawn with minor injuries says Wenger.
The Gunners need a two-goal win in Greece to progress to the last 16.
IBTimes UK brings you live coverage of Tuesday's Champions League action.
Ian Wright and Ray Parlour both believes the Gunners boss has to spend in the new year.
Football League clubs have until 25 November to sign players on loan or wait until January.
Zelalem has thrived since joining Mark Warburton's side in the Scottish Championship.
Arsene Wenger says he will 'do what is needed' in the January window to replace the Frenchman.
The Premier League returns with six 3pm games on Saturday.