SANTA CLARA, Calif. -- Daniel Kilgore understands his role with the San Francisco 49ers is getting bigger.But for the Tennessee native, change is coming easy. Yes, Kilgore is set to start at center for the first time, but he is not fretting over the change. He is focusing on the familiarity of his challenge.Kilgore was drafted in 2011, the same year as Colin Kaepernick. As rookies, the two worked together in practice."When I came in, I wasn't snapping to Alex Smith.