D-Backs on Deck – Brad Keller

D-Backs on Deck – Brad Keller

POSITION: RHP TEAM: Visalia Rawhide (A+) ETA: 2018 AGE: 20 Mike Bell, D-Backs Director of Player Development: “Only going to be 20 or 21 this year. He’s 6’5” and 230. He’s…