49ers’ youth movement unlikely to slow down

In August, the 49ers released outside linebacker Ahmad Brooks, who was the second-longest-tenured member of the team. On Friday, the 49ers released inside linebacker NaVorro Bowman, who had replaced Brooks as the player with the second-most years of service. Given those transactions, and plenty of lesser-wattage moves made during the new regime's roster overhaul, a logical question was posed Friday to the man who now assumes the uneasy title of player with the second-most tenure on the roster: How are you feeling about your job security, Daniel Kilgore? "It's the NFL for a reason," the starting center said. "It's not for long. You rent these lockers in here.