After spending nearly two weeks only lining up against teammates, the San Francisco 49ers are looking forward to the opportunity to hit someone else for a change. The Niners will hold a joint practice on Friday with the Houston Texans before the two teams open the exhibition season two days later at Levi's Stadium. While these sessions often come with increased intensity and occasional fights, 49ers coach Chip Kelly said he does not believe his players will cross any lines. More...