Aaron Ramsey returned to first team action as a second half substitute against Dinamo Zagreb on Tuesday.
Alexis Sanchez continues to be the main focus of Arsenal attention after Arsene Wenger alluded to the fact that his Chilean winger would be checked on Thursday having felt a slight problem in his hamstring.
There is still more information to be uncovered but Arsene Wenger indicated that Francis Coquelin will be out for at least two months as a result of the knee injury sustained early in the loss to West Brom on Saturday.
Arsenal can’t catch a break at the moment, which incidentally is about the only injury they haven’t suffered in recent weeks as Francis Coquelin and Mikel Arteta join their teammates in the treatment room.
Francis Coquelin left Arsenal's match with West Brom in the 14th minute and while the effect wasn't immediate, it was significant.
Santi Cazorla missed a late penalty, Arsenal lost Francis Coquelin and it all resulted in a 2-1 loss at the Hawthorns.
In the wake of the bombings last week in Paris, Arsene Wenger has indicated that he has yet to talk to Laurent Koscielny about his state of mind ahead of the Week 13 match against West Brom.
Hector Bellerin has returned to training with Arsenal on schedule and is likely to be available for the Week 13 match against West Brom.
Theo Walcott is still at least a few weeks away from returning to the Arsenal line-up according to Arsene Wenger on Thursday.
Aaron Ramsey won't be ready for Week 13 but Arsene Wenger indicated that he will return to training starting on Monday.
Alexis Sanchez continued to pile up the minutes as he played all of both matches for Chile in South American World Cup qualifying over the international "break".
Friendlies between Germany and Holland as well as Belgium and Spain have been cancelled due to security concerns following the attacks in Paris on Friday.
Alexis Sanchez will be given a mid-season break to stop the Chilean winger from suffering burnout.
Mathieu Debuchy wasn't the obvious culprit but the difference in athleticism between he and starter Hector Bellerin was crucial to Spurs' opener in the 1-1 North London Derby.
Arsene Wenger has indicated that Laurent Koscielny has a "slight chance" of returning to the Arsenal starting line-up for Sunday's North London Derby.