Pierre-Emerick Aubameyang believes that Gabriel Martinelli is “going to be a superstar” after his goal against Sheffield United on Saturday.The Gabon international was not involved in the clash with the Blades, serving the first game of his three-match ban following his red card against Crystal Palace.Can you get full marks on the Ultimate Arsenal Quiz? Test your knowledge below...In his absence, manager Mikel Arteta chose to start Martinelli amongst his front-line.And the 18-year-old repaid his faith on the stroke of half-time, volleying home Bukayo Saka’s teasing cross to hand the hosts the lead at the Emirates, leading to Aubameyang’s praise on Twitter.

Arsenal ultimately drew 1-1, with John Fleck cancelling out Martinelli's strike.

The teenager has enjoyed a stunning debut campaign at the club so far, already scoring nine goals in 20 outings in all competitions.

A Brazil U23 international, he will surely be looking to make his mark in the Premier League as he looks to earn a full international cap. And judging by his goal against the Blades on Saturday afternoon, he is certainly going about it in exactly the right way.

He has thus far scored in every competition this season, bar the FA Cup, netting in the Europa League, the Premier League and the Carabao Cup.

Meanwhile, Shkodran Mustafi's future has been the subject of quotes from Mikel Arteta. Â