ST – Diego Costa
The main issue the Blues had last year and the key factor many have pointed to as the reason they did not win any trophies was their lack of potency in attack.
Whether or not Costa will solve that or not remains to be seen, although having scored 37 goals for Atletico in 2013/14 as they won La Liga and reached the Champions League final shows the 25-year-old has a good pedigree.
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