I completely subscribe to the notion that these guys like Richard Sherman and Aqib Talib get away with mugging because they are considered great at their position. Almost as if the refs are afraid to throw a flag, because it would mean they are questioning the greatness that is Sherman or Talib.
Our secondary is "one of the worst in football" so of course they have to hold and commit PI to guard receivers. Throw the flag on those bums.
Oh, and Peyton Manning is allowed to slide and give himself up and then magically get back up and keep the play going. Refs don't blow the whistle until PEYTON says it's time.