Arizona Diamondbacks left-hander Blake Walston will undergo season-ending Tommy John surgery. Diamondbacks manager Torey Lovullo tells reporters it's “terrible news,” but Walston is going to "come ...

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.

Diamondbacks left-hander Blake Walston will undergo Tommy John surgery, manager Torey Lovullo tells Alex Weiner of Arizona ...

A rizona Diamondbacks left-handed pitching prospect Blake Walston (elbow) will have Tommy John surgery, according to manager Torey Lovullo. Walston missed time last year at Triple-A Reno with a ...

Diamondbacks manager Torey Lovullo said Friday that Walston will undergo Tommy John surgery, Alex Weiner of ArizonaSports.com reports. It's not clear when Walston was injured, but he missed time ...

Walston, 23, went 1-0 with a 4.42 ERA in seven appearances for Arizona last season, including two starts. He also was 3-2 with a 4.85 ERA in 13 starts and one relief appearance with Triple-A Reno.

SCOTTSDALE, Ariz. — Arizona Diamondbacks left-hander Blake Walston will undergo season-ending Tommy John surgery. Diamondbacks manager Torey Lovullo tells reporters it's "terrible news," but ...