Commentary

Week 8 QBR Leaders

Updated: November 1, 2011, 7:46 AM ET
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.

Total QBR

ESPN introduces Total QBR:

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

Matthew Stafford led the way in Week 8, posting a career-high Total QBR of 94.6. On the other end of the spectrum was Stafford's opponent, Broncos starter Tim Tebow, who had the lowest Total QBR of the week. In fact, Tebow's Total QBR of 3.4 on 59 action plays was the lowest by any QB with at least 50 action plays in a game since 2008.

Below is the full breakdown of Total QBR and its component statistics for all 27 NFL QBs with a minimum of 10 action plays in Week 8.

Weekly Leaders: Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7
Week 8 | Week 9 | Week 10 | Week 11 | Week 12 | Week 13
Season Leaders: Week 1 | Week 2 | Week 3 | Week 4 | Week 5 | Week 6 | Week 7
Week 8 | Week 9 | Week 10 | Week 11 | Week 12 | Week 13

WEEK 8 TOTAL QBR LEADERS

Rank Name Pass EPA Rush EPA Sack EPA Pen. EPA Total EPA Action Plays Clutch Weight Avg Total QBR
1 Matthew Stafford 7.5 1.6 -1.5 0.0 7.7 34 0.8 94.6
2 Michael Vick 4.9 2.0 -1.6 -0.1 5.1 43 0.5 90.1
3 Alex Smith 2.9 0.6 -0.1 0.6 4.0 31 0.6 87.2
4 Ryan Fitzpatrick 4.9 -1.0 -0.4 0.8 4.3 36 0.6 84.1
5 Matt Schaub 7.7 1.5 -2.2 -0.2 6.7 36 1.1 81.0
6 Eli Manning 11.2 -1.4 -0.4 -0.5 8.9 55 1.1 75.3
7 Matt Cassel 9.4 1.6 -3.2 -0.5 7.3 44 1.2 73.9
8 Ben Roethlisberger 8.4 -0.2 -1.9 -0.2 6.2 60 0.8 72.8
9 Cam Newton 12.1 1.5 -5.8 -0.3 7.6 47 1.4 67.9
10 Matt Hasselbeck 3.0 0.0 -0.4 0.1 2.7 39 0.7 65.5
11 Matt Moore 1.8 5.1 -4.2 1.9 4.5 35 1.2 65.2
12 Andy Dalton 4.2 -0.8 -0.5 0.9 3.9 44 0.9 61.9
13 Christian Ponder 7.7 -1.9 -2.8 0.2 3.1 37 1.4 52.0
14 Tom Brady 3.3 0.0 -2.0 0.7 1.9 46 0.7 50.1
15 Tarvaris Jackson 2.8 -0.1 -1.2 -0.3 1.2 47 0.6 45.3
16 Joe Flacco 4.2 -0.1 -5.9 4.1 2.3 67 1.0 43.1
17 Colt McCoy 2.4 1.0 -2.9 0.1 0.6 48 0.6 39.6
18 Philip Rivers 5.1 -1.1 -2.8 -1.2 0.0 56 1.2 32.9
19 Drew Brees 3.4 -0.1 -3.7 0.1 -0.2 53 0.8 31.6
20 Tony Romo 0.8 0.3 -1.5 -0.1 -0.6 43 0.4 23.6
21 A.J. Feeley 2.2 0.0 -3.3 -0.6 -1.7 50 0.9 23.3
22 Curtis Painter -1.9 1.7 -1.4 -0.5 -2.1 63 0.7 20.8
23 Blaine Gabbert -1.9 0.2 -1.4 -0.5 -3.5 41 1.0 13.7
24 Kevin Kolb -1.2 1.2 -6.5 1.7 -4.9 35 1.5 13.0
25 Charlie Whitehurst 1.3 -0.4 -1.8 -0.1 -1.1 11 1.1 12.8
26 John Beck 0.3 -0.7 -3.7 0.2 -3.8 48 0.6 7.9
27 Tim Tebow -2.9 0.1 -3.7 0.0 -6.6 59 0.5 3.4
EPA: "Expected points added" (could be positive or negative) that occur as a result of an action play.
Pass EPA: Clutch-weighted "expected points added" through pass attempts by the QB.
Run EPA: Clutch-weighted "expected points added" through scrambles, designed rushes and fumbles/fumble returns on running plays by the QB.
Sack EPA: Clutch-weighted "expected points added" through sacks and fumbles/fumble returns on passing plays by the QB.
Penalty EPA: Clutch-weighted "expected points added" on penalties by the QB.
Total EPA: Total clutch-weighted "expected points added" by the QB.
Note: Any perceived ties in QBR are broken by going to the next decimal point.

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