Trevor Penning is PFF’s top graded Saint; Penning is highest graded NFL OT in Week 10

kewee said

People need to stop believing these "ratings". These so called "analysts" pff has are simply nerds in the basement who have nothing better to do than to watch film and play with numbers and critique everybody..

No different than political polling, they are never accurate.

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That certainly used to be the case, but I think they have more credibility now that some of their guys have moved on to NFL jobs and I think they now have guys with NFL experience. But I still tend to think that their OL grades are too subjective and lack the context of what the assignment was for each individual OL. Still, I guess if they are always that bad, then it can at least be used to compare relative ability vs. other O-linemen with a large enough sample size. But I'm not sure there per game grades are all that accurate.