Arsenal have struggled for goals this season, and Mikel Arteta has faced some criticism for his lack of rotation within the squad. Several Arsenal attackers are all badly out of form at the same time, with Bukayo Saka, Gabriel Martinelli, Leandro Trossard and Gabriel Jesus far from their best, and Kai Havertz has overall been a disappointing addition in midfield. Arsenal have scored just 20 goals from open play in the Premier League this season, and there have been calls to sign a striker to improve their conversion rate in front of goal. However, the solution could be found in outcast Emile S…