Here's a list of all key skills and all "clean" drills (that don't train grey skills) for every single position. And also leftovers -- key skills that you can't train to this position without training at least one grey skill. If your player has several positions, he also has key skills and clean drills from all of them, plus probably a couple clean drills more. Use
ITP if you wish to know all the clean drills for any combination of positions, and stuff.
Goalkeeper Training drill is
good for everyone, so I don't include it.
GK
Clean drills:
Set-piece Delivery, Wing Play, 1-on-1 Finishing,
Defending Crosses, Hold the Line
Leftovers:
Fit-