The Arsenal centre-back put in an incredibly poor display against Rennes in the Europa league last night.

Arsenal were utterly embarrassed by French side Rennes in the first-leg of their Europa League last 16 tie last night, and many Gunners fans took to twitter to voice their anger at the result.
Unai Emery’s men were quite simply awful against the Ligue 1 outfit, despite taking an early lead in the game, and they now have it all to do in the second-leg at the Emirates next week.
One Arsenal player in particular found himself to be the target of criticism from the club’s fans last night, however.
Shkodran Mustafi has been extremely poor this season, with Gunners fans often slaughtering him for his poor decision making and the impulsive, reckless nature in which he dives into challenges.

The German, 26, cost Arsenal a staggering £35 million two-and-a-half years ago, and that really does look like poor business from Arsenal.
Some Gunners fans took to Twitter last night, and absolutely hammered Mustafi for his below-par display against Rennes…
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