PRP, or platelet-rich plasma, therapy is an emerging technique for sports medicine and those who are suffering from chronic athletic-related pain. This therapy has gained a lot of interest after a number of high profile athletes received injections, such as Tiger Woods, Takashi Saito and Troy Polamalu. Dr. Robby Bershow, a sports medicine physician with Sports and Orthopaedic Specialists, gives us the lowdown on PRP therapy.