SCOTTSDALE — Arizona Diamondbacks left-handed pitching prospect Blake Walston will undergo Tommy John surgery, ending his 2025 season before it starts, manager Torey Lovullo announced on Friday.

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 ...

Diamondbacks left-hander Blake Walston will undergo Tommy John surgery, manager Torey Lovullo tells Alex Weiner of Arizona Sports. The southpaw will therefore miss the entire 2025 season and ...

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