Journalist James McNicholas has just named the one player who he thinks will be most important to Arsenal during the run-in. Mikel Arteta will need to lean on the strength of his full Arsenal squad over the course of the final few weeks of the season. The Gunners already face a couple of difficult injury situations. There are fears about the fitness of Bukayo Saka ahead of Sunday’s showdown against Manchester City. Gabriel Martinelli is also a doubt for that fixture at the Etihad Stadium. With the north London club still chasing glory in both the Premier League and the Champions League, they h…