One Arsenal star who has been short of his best in recent weeks was able to impress against Wolves after Mikel Arteta tweaked his tactical role in the team. Arsenal battled their way to a 2-0 win over Wolves at Molineux Stadium on Saturday evening. It was vital for the Gunners to get back to winning ways in this game, as they had lost their last two matches prior to taking on the Midlands outfit. First, they surrendered control of the Premier League title when they were beaten 2-0 by Aston Villa at the Emirates Stadium. Then, they were knocked out of the Champions League by German giants Bayer…