if you want 7 stars -
-strength - 18 fitness coach
-aerobic - 18 fitness
-goalkeeper - 18 goalkeeper coach
-tactical - 18 tactical coach
-ball control 18 technique and 18 mental or 19 technique, 14 mental or 20 technique and 10 mental
-Defending - 18 defending coach
-Attacking - 18 attacking coach
-shooting - 18 techniqie n attack or 19 technique and 14 or 20 tech and 10 mental(but i hardly get 7star coaches very rare)
-set pieces - 17 technique and 39+ attacking and metal(not to sure rare to get 7 star coach)
if i reply late its because i currently on my notts forest season.