The average starting NFL defensive tackle played 648 snaps last season. Dontari Poe played 1,004 -- and was able to dominate despite the extra workload. He leads off Pro Football Focus' All-Ironman team.
Sam Monson of Pro Football Focus ranks every NFL roster, 1-32, based on which teams have the best collections of talent.
Pro Football Focus examines the Arizona Cardinals' historically bad offensive line. Does it have a chance against the San Francisco 49ers' defense?