Germany's Mustafi suffered a thigh muscle injury in the 5-1 World Cup qualifying victory over Azerbaijan on Sunday when he was taken off in the 37th minute after grabbing his right thigh in pain with no opponents near him.
"We lost Mustafi for four to six weeks, I don't think he will be available before the next worldwide break", Wenger told reporters at the pre-game press conference.
Koscielny, on the other hand, skipped the recent worldwide break to recover from an Achilles injury that has been a long-standing issue for the Francedefender.
"I will decide what I have to do when Koscielny has his test tomorrow. It looks like if he survives the test he is capable to play".
Is Neville Quitting WWE?
It's being reported that Neville walked out of RAW last night after either asking for his release or quitting outright. PWInsider.com is reporting that according to multiple WWE sources they have spoken with Neville has not departed WWE.
Koscielny has been managing the problem for several seasons and, although he had not joined in full training at the start of the week, the intention is for him to resume with the squad ahead of Saturday. At the moment, he's not available. Sanchez won't be back with us until tomorrow.
Wenger, meanwhile, will make a late decision on the make up of his front three for the game against Marco Silva's men. "He trained on his own and the signs were positive so we will test him on Friday".
Iran warns U.S. on designating Guards terrorist group
According to him, if any side fails to stand committed to the deal, it would be tarnishing its own reputation. The aide went on to accuse Washington of supporting Islamic State (IS, formerly ISISISIL) terrorists.
US, Israel to quit UNESCO
One of UNESCO's founding nations, the United States has had a rocky relationship with the Paris-based organization over the years. UNESCO has become a poster child for how United Nations agencies have had their missions perverted by the anti-Israel agenda.
Super Mario Mario Warms up to his Odyssey with Dance Act
This trailer also does a great job in showing how Mario's feats amaze the people around him, as everyone smiles in Mario's wake. For even more cuteness, we see Mario throw his hat to a dog who playfully catches it without getting possessed.