He 's shown no signs of slowing down this year when healthy .
Defensive coordinator Paul Guenther views Arian Foster as one of the top three running backs in football and few excel as well in the zone blocking scheme .
Arian Foster 's shown no signs of slowing down this year when healthy .
Defensive coordinator Paul Guenther views Arian Foster as one of the top three running backs in football and few excel as well in the zone blocking scheme .