Dave Ziegler wants to see continued commitment from players during time off before July training camp Dave Ziegler didn’t mince words during his introductory press conference when he was named Las Vegas Raiders general manager back in January. He was crystal clear then about the expectations and new MO for the Silver & Black. “The fabric of our culture will be to evaluate and evolve consistently and constantly our processes and our people to make sure that we are always operating at a championship level,” Ziegler said in his introductory news conference in January. “Being committed to the standard of…