NFL insider notes: Time running out for Kyle Shanahan, 49ers; Justin Fields showcases elite potential, more | CBS Sports Headlines NFL insider notes: Time running out for Kyle Shanahan, 49ers; Justin Fields showcases elite potential, more Plus, what could hold the Steelers and Bills back down the stretch ESN FeedsThis … Continue reading NFL insider notes: Time running out for Kyle Shanahan, 49ers; Justin Fields showcases elite potential, more