"With the difficult schedule of Thursday-Sunday games, Arsene Wenger will rotate a lot more - and that should mean more appearances for Jack.
"There have been positive signs already. He was very impressive as a substitute against Cologne, then against Doncaster last week, so he will surely play a part at Bate Borisov on Thursday.
"Everyone knows his quality, he's just had a very difficult time with injuries. There is nothing worse for a player mentally and physically to keep having these setbacks."