the attributes work like this to get 5 star
Strength: fitness >= 18
Aerobic: fitness >= 18
Goalkeeping: coaching Gks >= 18
Tactics: tactical >= 18
Defending: defending = 18 & tactical >= 18 or
Defending: defending = 19 & tactical >= 14 or
Defending: defending = 20 & tactical >= 10
Ball Control: technique = 18 & mental >= 18 or
Ball Control: technique = 19 & mental >= 14 or
Ball Control: technique = 20 & mental >= 10
Attacking: attacking = 18 & tactical >= 18 or
Attacking: attacking = 19 & tactical >= 14 or
Attacking: attacking = 20 & tactical >= 10
Shooting: technique = 18 & attacking >= 18 or
Shooting: technique = 19 & attacking >= 14 or
Shooting: technique = 20 & attacking >= 10
Set Pieces: technique = 17 & mental + attacking >= 39 or
Set Pieces: technique = 18 & mental + attacking >= 36 or (f.ex. mental=(20,18) + attacking=(16,19))
Set Pieces: technique = 19 & mental + attacking >= 33 or
Set Pieces: technique = 20 & mental + attacking >= 30 | 
