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 ...

60-Day IL (elbow), Blake Walston: 60-Day IL (elbow) Yahoo Sports' MLB experts examined some of this season's early contenders ...

INJURIES: Diamondbacks: Kendall Graveman: 15-Day IL (back), Blaze Alexander: 10-Day IL (oblique), Kevin Ginkel: 15-Day IL (shoulder), Jordan Montgomery: 60-Day IL (elbow), Blake Walston ...

The former high school state champion and first-round draft pick will be in the bullpen for a Major League team for the first ...