Diamondbacks lose top prospect to Tommy John surgery

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