A rizona Diamondbacks left-handed pitching prospect Blake Walston (elbow) will have Tommy John surgery, according to manager ...

SCOTTSDALE, Ariz. (AP) — Arizona Diamondbacks left-hander Blake Walston will undergo season-ending Tommy John surgery. Diamondbacks manager Torey Lovullo made the announcement to reporters on ...

It was announced in mid-March that Walston will require Tommy John surgery, so it was only a matter of time before he was shifted to the 60-day IL. The left-hander will miss the entirety of this ...

Arizona Diamondbacks left-hander Blake Walston was huddled in ... and would require Tommy John Surgery. Speaking with Walston Saturday morning, he explained how and when he first felt the injury.