"But so what if you gave up some pressure, if you were staying into block a lot? That’s where our Pass Blocking Efficiency signature stat comes in handy. A simple enough formula, we take the combined number of sacks, hits, and hurries (where hits and hurries are worth three quarters that of a sack), divide it by the number of pass blocks and take that away from zero. Like this:
Pass Blocking Efficiency = (1– ((Sacks + 0.75*(Hits + Hurries)) / Pass Blocking Snaps)) * 100
What this tells us is that there isn’t a better back in the league (at least in 2011) than Fred Jackson. But then you don’t need a fancy formula to figure that out as the Bill was the only running back not to give up a single QB disruption all year. That was one less than the Atlanta Falcon duo of Jason Snelling and Michael Turner who each gave up just one piece of pressure to finish second and third."
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