New Giants manager Tony Vitello hasn’t had to navigate his first MLB season alone.With longtime mentors such as Dusty Baker and Bruce Bochy just a phone call away, Vitello has leaned on two of baseball’s most respected voices while adjusting to life in a major league dugout.Speaking Friday on 95.7 The Game’s “The Morning Roast,” Vitello shared how valuable that support system has been — even if some of the advice will stay behind closed doors.“It’s a good crutch to have, if that’s even an appropriate way to say it,” Vitello said. “You find yourself either questioning things or wondering about things or just looking for more insight. A text message away is a big thing.”Baker, in particular, offered guidance that has stuck with Vitello — even if he isn’t ready to reveal the details.“Dusty kind of gave me a couple rules to live by that probably is a little more, you know, stays in the locker room type of thing,” Vitello said. “But kind of kept those with me. I think revisiting those helps keep you on task.”For a first-year manager, the emotional swings of the job already have...