I heard a loud “SNAP” reverberate from my Knee like a gunshot long before I felt any pain. It was during a rugby game in my sophomore year of college, and I had just twisted awkwardly while bouncing out of a tackle when my left knee decided to explode like a firecracker, dropping me to the ground. I felt the pain then, writhing in the mud with my teammates gathered around me. It was the first week of the playoffs, and I knew I would be out for...