49ers wide receiver Jauan Jennings returns to practice; QB Mac Jones limited

It is no secret that George Kittle is a popular presence in the 49ers’ locker room, and you can count Christian McCaffrey as one of his many fans.On the latest episode of NBC Sports Bay Area’s “49ers Talk” podcast with Matt Maiocco, McCaffrey detailed his chemistry with the charismatic Kittle and how San Francisco’s tight end reminds him of a former MVP teammate.“I think it works great. You know, George brings so much life to any room that he’s in,” McCaffrey told Maiocco. “I’ve played with a couple guys throughout my career who have helped me take myself less [seriously] and just kind of relax a little bit. He’s one of them, Cam Newton’s one of them. I had guys who just brought so much fun into football.”It doesn’t hurt that Kittle arguably has been the best player at his position for the last seven seasons.                “I personally love [Kittle] because he takes so much energy away from me,” McCaffrey told Maiocco. “On the field, obviously, if you’re going to double me,...