Warren has a walking cane due to his leg injury from a little league baseball game. A player in the other team collides into him at high force. tibia/fibula fractures, torn ligaments, nerve damage. The leg heals, but not completely. He walks with a limp due to stiffness, weakness, and pain. Doctors may prescribe gabapentin, naproxen, or other nerve-pain/anti-inflammatory meds. See more