How Robert Saleh is developing Mykel Williams as inside, outside pass rusher

Programming note: Watch Matt Maiocco’s full interview with Kyle Shanahan on “49ers Game Plan,” airing at 10:30 p.m. PT Friday on NBC Sports Bay Area after “Giants Postgame Live”Mac Jones will be the 49ers’ starting quarterback on Sunday against the New Orleans Saints, but coach Kyle Shanahan still is entering the matchup with supreme confidence despite a backup signal-caller being under center.Shanahan revealed he and his team have the utmost belief in Jones’ ability to execute San Francisco’s offense in Brock Purdy’s absence during an interview with 49ers insider Matt Maiocco on NBC Sports Bay Area’s “49ers Game Plan.”“I think it kind of validates what our gut feeling was watching him in college. He played at a very high level in college. Didn’t surprise me at all that he was going to be a top-15 pick,” Shanahan told Maiocco. “He was a guy that we could’ve easily taken. Thought he played very well his rookie year. He had gone downhill statistic wise and everything like that. I think other circumstances played into that a lot, though.”“Didn’t get a ton of...