Injuries to the ulnar collateral ligament (UCL) are very common in the sport of baseball. Tommy John surgery is unequivocally recommended for baseball players with a complete detachment of the ligament from their elbow. Decisions exist and uncertainty arises when there are partial or incomplete tears of the ligaments. Some people may be candidates for nonsurgical options such as platelet rich plasma, or PRP treatments. Some variables in the decision whether to proceed with surgery include time of the year during which the athlete is being seen, prior history of elbow injuries, and MRI results, among other things.Read more at baseballarm.com