I would assume you judge run blocking on results - yards gained per carry or whatever. Pass blocking would take into consideration near misses - hurries, etc. I'm not saying the RBs are responsible for the poor blocking rating, but I expect it to improve with the new RBs just the same. I also would suggest the pass blocking might have been even worse rated if Rodgers hadn't bailed them out a few times.
I don't particularly like this left right switch solution, and I definitely am open to the idea that Campen ain't the greatest O Line coach. However, the Packers have been damn good on offense the past three seasons, and I'm inclined to give McCarthy et al the benefit of the doubt. The big key is Sherrod being back healthy, and even if he is, he still will be inexperienced. So maybe the right side is a good place. The even bigger key, maybe, is Bulaga doing good at LT - or if last year is any indication, Bulaga doing good anyplace. McCarthy seems to think he is OK, and Bulaga was in on the left right decision, so hopefully it is a positive solution.
Consider this also: it makes sense putting your two best run blockers together in the place you most want to run. Most teams have their best pass rusher - often the guy you want to run at - on their right/our left.
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