The Green Bay Packers new zone-blocking scheme gets put on display Saturday night at the teams annual scrimmage at Lambeau Field. Along with that scheme comes cut blocking by offensive lineman. It's a legal, but controversial technique that can be dangerous at times in terms of injury for players on the receiving end. NFL referee Bill Carollo and two of his crew members will be officiating the scrimmage. They'll address players and coaches to discuss the new blocking rules implemented by the league this year. Carollo said officials will penalize cheap-shot cut blocks away from the play.
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