Control

Athletes work to change the impossible into the improbable, the improbable into the possible. 

Image from Ryan Holiday's "The Obstacle Is the Way"

Tommy John underwent an experimental surgery in the 1970s to restore an elbow ligament in his pitching arm. He was told he had a one in a hundred chance of pitching again. He recovered an won 164 games over the next thirteen seasons. That surgery bears his name. 

Define your destiny.