When building his staff, SF Giants’ Vitello wanted coaches with ‘something to prove’

SCOTTSDALE, Ariz. — Tony Vitello’s staff is an amalgamation of coaches of different ages and different backgrounds who bring different experiences and different philosophies. To Vitello, there is one common denominator with his 13-person staff:

Hunger.

“I think there are a lot of guys in the group who have something to prove — whether it’s their first chance at something, maybe it’s a second chance at something, maybe it’s their last chance at doing something,” Vitello said. “I think...