Don’t be surprised if the 49ers most impressive `new’ lineman is Kalia Davis

Don’t be surprised if the 49ers most impressive `new’ lineman is Kalia Davis

SANTA CLARA — Kalia Davis has been overshadowed by the three rookies selected specifically to breathe life into the 49ers’ defensive line. The development of first-round pick Mykel Williams, second-round selection Alfred Collins and fourth-round pick C.J. West has been a focal point of training camp. Of late, undrafted free agent tackle Sebastian Valdez has crashed the party. And Davis is fine with that. “They keep us on our toes,” Davis said Tu…