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Sunday, September 18, 2011
Updated: October 6, 2:11 PM ET
QBR Season Leaders: Week 2

By ESPN Stats & Information

Total QBR is a quarterback rating that takes into account all of a quarterback's contributions (passing, rushing, sacks, fumbles, penalties) to his team's scoring and winning and summarizes them into one number on a 0-100 scale, on which 50 is average.

For a game, the number can be interpreted as a percentile, so a score of 80 means a quarterback's performance was better than 80 percent of all quarterbacks' games. For more about the methodology and statistics behind the Total QBR, see here.

With back-to-back spectacular games to open the season, Tom Brady is the NFL leader with a Total QBR of 90.4 through two games. The Patriots QB led the league with a 76.0 Total QBR last season, and he is off to an even hotter start so far in 2011.

Bringing up the rear with Total QBR scores below 10 are AFC South QBs Luke McCown and Kerry Collins. McCown had the lowest rating on Sunday (0.4), while Collins held that dubious distinction in Week 1 (2.3).

Below is the full breakdown of Total QBR and its component statistics for the 32 NFL QBs with a minimum of 30 total action plays through Week 2.

Results shown here may differ from those published earlier on ESPN.com. These are due to small errors in evaluating home/road differences that were corrected prior to Week 4. ESPN regrets the error.

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