New QB rating set for unveiling
A new quarterback rating developed by ESPN's Stats and Information group will be unveiled on Friday.
The Total Quarterback Rating takes into account a larger number of variables than the nearly 40-year-old NFL Passer Rating system -- including down and distance, field position and importance of the game situation.
The new QBR weighs rushes, passes, sacks, fumbles, interceptions and penalties and calculate the per-play net impact of the quarterback. As an example, a pass completion ...
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