Arizona Diamondbacks left-hander Blake Walston will undergo season-ending Tommy John surgery. Diamondbacks manager Torey ...

Lots of decisions on the table for Arizona Diamondbacks manager Torey Lovullo, and a promising pitcher will need major elbow ...

Arizona Diamondbacks manager Torey Lovullo revealed a devastating health update for Blake Walston on Friday. The left-hander ...

Arizona Diamondbacks left-hander Blake Walston was huddled in the corner of the Salt River Fields locker room, talking quietly with reliever Drey Jameson and infielder Blaze Alexander. Jameson had ...

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.

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

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