Arsene Wenger should focus on either Wednesday night's Champions League clash with Borussia Dortmund or Arsenal's trip to Manchester United in the league on Sunday - otherwise he risks losing both.
The Gunners were knocked out of the Capital One Cup by Chelsea at the Emirates last week as Wenger focused efforts on Saturday's match against Liverpool, dropping a number of key players.
Nicklas Bendtner and Ryo Miyaichi started the match but were eventually replaced by Olivier Giroud and Mesut Ozil when the hosts fell behind.
But this week prioritising the Premier League will be more difficult for Wenger with Arsenal's trip to last year's Champions League runners up likely to be a higher priority.
The north Londoners head into their crunch tie in Germany level on six points with Dortmund and Napoli at the top of Group F.
While Wenger's side could still qualify if they are beaten on Wednesday, it will put them under pressure ahead of their home match against Marseille which is followed by a tough trip to Napoli.
It has been over a decade since Arsenal's French manager failed to qualify for the last-16 in the Champions League, and he will be looking to progress again in this campaign.
But with the his side currently five points clear at the top of the Premier League, should he focus on Sunday's trip to Old Trafford instead?
Striker Olivier Giroud will surely need a rest at some point, but with the Gunners' only other option upfront being Capital One Cup flop Nicklas Bendtner, Wenger could be forced to include his frontman for the full 180 minutes over the course of the two games.
And what about the likes of Mesut Ozil, Aaron Ramsey and Santi Cazorla who have all been in fine form of late?
Jack Wilshere will miss the trip to Dortmund with an ankle injury, but he could also be a doubt for the United tie.
With Mathieu Flamini ruled out, this makes it almost a necessity that Mikel Arteta starts in the holding midfield role if Arsenal are to win either game.
While the Gunners are in fine form, surely Wenger will have to rest some of his playmakers in order to avoid fatigue.
But will he split the damage or leave them all on the bench for the same match?
The reality is that if, for example, he rests Ozil against Dortmund and Ramsey against United, Arsenal could lose both games.
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