New Passer Rating: First Down

Because I did not (yet) have game by game data by down, the rankings by down are calculated based on an average opponent - 6.2 Y/A (including sack yardage).

First Down Rating 
(Minimum 70 Attempts)

Rank	Player	Attempts	Rating
1	Drew Brees	196	6.59
2	Matt Schaub	216	6.21
3	Peyton Manning	191	4.75
4	Tony Romo	187	4.47
5	Tom Brady	216	4.12
6	Donovan McNabb	170	3.93
7	Ben Roethlisberger	191	3.81
8	Joe Flacco	176	3.11
9	Philip Rivers	165	3.05
10	Jason Campbell	173	2.98
11	Mark Sanchez	94	2.16
12	Eli Manning	198	2.05
13	Brett Favre	151	1.82
14	Kurt Warner	203	1.73
15	David Garrard	186	1.15
16	Matt Hasselbeck	187	1.05
17	Kyle Orton	160	0.86
18	Marc Bulger	80	0.53
19	Carson Palmer	156	-0.69
20	Aaron Rodgers	198	-1.23
21	Chad Henne	150	-1.48
22	Josh Freeman	81	-1.61
23	Jay Cutler	195	-2.04
24	Matt Cassel	167	-3.09
25	Matthew Stafford	129	-3.12
26	Matt Ryan	148	-3.57
27	Alex Smith	123	-4.42
28	Jake Delhomme	124	-5.02
29	JaMarcus Russell	106	-10.90