Frustrations are hovering over the Giants organization as the team has fallen to 20-30 to begin the 2026 season, and Buster Posey believes no one is as frustrated as first-year manager Tony Vitello.Posey joined KNBR’s “Murph & Markus” on Thursday morning and was asked for an early evaluation of Vitello, given how poorly the squad has performed thus far.“Tony’s been solid,” Posey said. “You talk about frustration or anybody that’s wearing this hard, I don’t think there’s anybody out there that’s wearing it harder than him. I do feel like one of the most important things for me in this role and the rest of us that have been in pro ball, to your point, college is 50, 60 games, whatever it is, and Major League Baseball is 162, plus roughly 30 in spring training and hopefully the games you’re playing in the postseason. So it’s a much longer game. Just trying to relay to him like, ‘Hey man, stay the course, keep doing what you’re doing. Don’t keep doing what we’re doing, because obviously what we’re doing is not working. But keep putting the work in.’“You have to...