Arizona Diamondbacks manager Torey Lovullo revealed a devastating health update for Blake Walston on Friday. The left-hander will undergo Tommy John surgery and is expected to miss about 14 months. Walston last pitched in Las Vegas on March 9,

With the news surrounding Yankees' Gerrit Cole, here's a look at some recent pitchers in their 30s who have undergone Tommy John surgery.

Yankees ace Gerrit Cole went under the knife on Tuesday to repair a torn ligament in his elbow, an injury that all but guarantees he won’t throw a pitch in