Arsenal turn their attention back to the Premier League title race on Saturday when handed the opportunity to move six points clear of Manchester City at the summit. Fulham are the opponents in between Champions League semifinal legs with Atlético Madrid, and a victory over the Cottagers would extend Arsenal ’s advantage prior to Man City’s trip to Everton on Monday night. Any slip-up could prove fatal, however. Mikel Arteta has come crucial selection headaches to figure out as he attempts to juggle the Premier League title race and the hunt for European glory. Uncertainty Over Kai Havertz Persists Kai Havertz remains a doubt. | David Price/Arsenal FC/Getty Images Arsenal have welcomed Bukayo Saka and Riccardo Calafiori back into the fold recently, while Eberechi Eze shrugged off injury fears to feature away at Atlético Madrid midweek . However, uncertainty lingers over Kai Havertz’s involvement at the weekend.…