It might have been a clean sheet, but there was still some humour in Shkodran Mustafi’s performance last night.

From passing the ball right to Salomon Rondon outside the area in the first-half to turning into Lionel Messi, beating half the Newcastle defence, and then lumping the ball into south London, it was another weird day in the office for Mustafi.

Arsenal’s most frustrating player has been great entertainment to watch for neutrals, but if the club is to progress and be considered title contenders next season, they must make sure the German defender is sold this summer.

Although Mustafi could be a good backup option, it is apparent from the close to three years he has spent in the Premier League that he simply isn’t cut for top-flight football in England.

It’s crazy to think that the former Valencia man is the most expensive defensive signing in the history at the club when Rob Holding, who cost Arsenal £2 million and was signed in the same window, has not only performed better than Mustafi since joining the north London side but has developed greatly since moving.

Mustafi, meanwhile, has only regressed during his time in north London. And fans forget that the German started his tenure at the club in flying fashion, leading Arsenal to a 15 game unbeaten run in all competitions before injury took him out for three weeks in which the club lost twice during his absence.

Since then, we have only seen the Mustafi we all know and love. Comical errors, bemusing passes and tackles, and a sign of £35 million down the drain for Arsenal.

If Emery doesn’t offload the former Valencia defender this summer, the transfer window can already be written off as a big fat fail for the club who are better off without Mustafi.

Arsenal fans, what should the club do with Mustafi this summer? Let us know!