Chelsea have identified their top target for one position that they want to strengthen this summer. The Blues have already brought in Tosin Adarabioyo from Fulham to reinforce their central defence. Up front is the next area Chelsea could strengthen, with the club thought to be keen on signing Aston Villa’s Jhon Duran. After that, it looks like Chelsea could look at their defence again, but this time the left-back position. Marc Cucurella and Ben Chilwell are Enzo Maresca‘s current options for the role, while Levi Colwill can also play there. Chelsea could sign new left-back this summerChilwel…