That will come three days before a crunch trip to Stamford Bridge to play Chelsea, a game which will see Arsenal aim to beat a fellow Premier League top-six team for the first time in 14 attempts.
They still have some able players to call upon though.
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Still, the cone of uncertainty comes uncomfortably close, within 200 miles of Florida and 50 miles from the Bahamas. Hurricane-force winds extend up to 25 miles from the center and tropical-storm-force winds extend up to 140 miles.
Francis Coquelin will also miss the tie and will be out for the next three weeks after injuring his hamstring against Bournemouth on Saturday. "We are very focused on this Europa League, we want to go and win it, we are very ambitious and I am looking forward to the game tomorrow".
In the midfield, Jack Wilshere may partner Mohamed Elneny.
"In training he (Wilshere) is getting stronger, that's what we want".
The German goalkeeper, who is admittedly an Arsenal fan, has already amassed over 150 appearances for his boyhood club, and is rated as one of the most promising young goalkeepers in Germany.
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Bungie also recently confirmed that Nightfall and Raid Guided Games will go live on September 26th, at around 6pm BST. Those who can conquer Leviathan will be awarded sweet exclusive loot and undoubtedly raise their Power level .
"He was injured at the start of the season from last season, so he was a bit behind the other players but he's getting better and better". With the competition, a fresh set of challenge is set to be faced by Arsene Wenger, who will have to manage the fixture crunch carefully as the season progresses.
If Arsenal fail to perform, Wenger will not be blaming the Cologne game - for which Mesut Ozil and Aaron Ramsey will be rested - as he feels there is enough time to recover.
Arsene Wenger's side beat Leicester City in their opening match of the new campaign but back-to-back defeats to Stoke City and Liverpool in the following two games left fans fearful of another nightmare season at the Emirate Stadium.
In the attacking third, the likes of Theo Walcott and Alexis Sanchez will probably get the nod to start behind Olivier Giroud.
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The front wheel drive motors spin to a remarkable 50,000 rpm, well beyond the performance of current 20,000 rpm electric motors. The engine is supplemented by two further electric motors , one on each front wheel , and are rated for 120kW each.