BEST is to get individual advice for each athlete from the best experts available. (Personally I like Athletic trainers because they are all about getting athletes back in the game as quickly and safely as possible.)
It’s worth checking some tips from The Perhap Guys, Doctor of Physical Therapy Candidates from USC. Strength and Conditioning Specialists.
6 Exercises to Reduce Risk of an Ankle Sprain
Gymnastics Coaching.com 