Quarterbacks are ranked according to DYAR, or Defense-adjusted Yards Above Replacement. This gives the value of the quarterback's performance compared to replacement level, adjusted for situation and opponent and then translated into yardage. DYAR (and its cousin, YAR, which isn't adjusted based on opponent) is further explained here.
The other statistic given is DVOA, or Defense-adjusted Value Over Average. This number represents value, per play, over an average quarterback in the same game situations. The more positive the DVOA rating, the better the player's performance. Negative DVOA represents below-average offense. DVOA (and its cousin, VOA, which isn't adjusted based on opponent) is further explained here.
The simple version: DYAR means a quarterback with more total value. DVOA means a quarterback with more value per play.
Effective Yards, listed in red, translate DVOA into a yards per attempt figure. This provides an easy comparison: in general, players with more Effective Yards than standard yards played better than standard stats would otherwise indicate, while players with fewer Effective Yards than standard yards played worse than standard stats would otherwise indicate. Effective Yards are not the best way to measure total value because they are more dependent on usage than DYAR.
| Player | Team | DYAR | Rk | YAR | Rk | DVOA | Rk | VOA | Passes | Yards | EYds | TD | FK | FL | INT | C% |
| P.Manning | IND | 1,600 | 1 | 1,781 | 1 | 40.5% | 1 | 46.3% | 475 | 3,689 | 4,672 | 28 | 2 | 1 | 10 | 67.5% |
| C.Palmer | CIN | 1,509 | 2 | 1,491 | 2 | 32.5% | 3 | 32.0% | 536 | 3,816 | 4,838 | 32 | 3 | 2 | 12 | 67.9% |
| T.Brady | NE | 1,377 | 3 | 1,236 | 5 | 27.8% | 5 | 23.8% | 560 | 4,051 | 4,722 | 26 | 1 | 3 | 14 | 63.3% |
| M.Hasselbeck | SEA | 1,290 | 4 | 1,403 | 3 | 30.0% | 4 | 33.6% | 483 | 3,455 | 4,281 | 24 | 2 | 2 | 9 | 65.9% |
| T.Green | KC | 1,234 | 5 | 1,263 | 4 | 25.0% | 7 | 25.9% | 549 | 3,962 | 4,428 | 17 | 3 | 4 | 10 | 63.0% |
| J.Plummer | DEN | 1,126 | 6 | 1,092 | 6 | 25.1% | 6 | 24.0% | 481 | 3,244 | 4,050 | 18 | 2 | 1 | 7 | 61.0% |
| B.Roethlisberger | PIT | 871 | 7 | 905 | 7 | 35.1% | 2 | 36.9% | 298 | 2,376 | 2,704 | 17 | 1 | 1 | 9 | 62.7% |
| D.Brees | SD | 836 | 8 | 724 | 8 | 13.9% | 9 | 10.5% | 528 | 3,421 | 3,848 | 24 | 3 | 5 | 14 | 65.0% |
| E.Manning | NYG | 604 | 9 | 575 | 11 | 5.2% | 17 | 4.4% | 596 | 3,828 | 3,808 | 24 | 6 | 2 | 17 | 52.8% |
| B.Favre | GB | 590 | 10 | 476 | 16 | 3.2% | 19 | 0.5% | 642 | 3,958 | 4,106 | 20 | 3 | 6 | 25 | 61.7% |
| J.Delhomme | CAR | 582 | 11 | 560 | 12 | 8.1% | 14 | 7.4% | 473 | 3,381 | 3,226 | 24 | 5 | 6 | 16 | 60.2% |
| B.Leftwich | JAC | 571 | 12 | 556 | 13 | 17.6% | 8 | 16.8% | 326 | 2,039 | 2,368 | 15 | 4 | 3 | 5 | 58.3% |
| S.McNair | TEN | 570 | 13 | 632 | 9 | 6.8% | 16 | 8.7% | 495 | 3,048 | 3,374 | 16 | 2 | 4 | 11 | 62.1% |
| M.Brunell | WAS | 494 | 14 | 484 | 15 | 4.8% | 18 | 4.5% | 489 | 2,944 | 3,158 | 23 | 2 | 6 | 10 | 58.2% |
| D.McNabb | PHI | 492 | 15 | 459 | 17 | 9.0% | 13 | 7.6% | 381 | 2,425 | 2,638 | 16 | 4 | 3 | 9 | 59.4% |
| M.Bulger | STL | 476 | 16 | 592 | 10 | 13.0% | 10 | 18.8% | 318 | 2,208 | 2,219 | 14 | 2 | 2 | 9 | 66.9% |
| Player | Team | DYAR | Rk | YAR | Rk | DVOA | Rk | VOA | Passes | Yards | EYds | TD | FK | FL | INT | C% |
| K.Warner | ARI | 444 | 17 | 529 | 14 | 6.9% | 15 | 10.3% | 400 | 2,573 | 2,594 | 11 | 3 | 5 | 9 | 65.1% |
| D.Bledsoe | DAL | 444 | 18 | 452 | 18 | 1.9% | 20 | 2.2% | 556 | 3,382 | 3,340 | 23 | 7 | 7 | 15 | 60.9% |
| B.Johnson | MIN | 418 | 19 | 363 | 19 | 10.6% | 12 | 7.7% | 319 | 1,835 | 2,122 | 12 | 2 | 3 | 4 | 63.5% |
| K.Collins | OAK | 348 | 20 | 320 | 21 | -2.0% | 22 | -2.7% | 612 | 3,547 | 3,528 | 20 | 9 | 4 | 11 | 53.6% |
| D.Garrard | JAC | 265 | 21 | 362 | 20 | 11.9% | 11 | 20.2% | 178 | 1,128 | 1,287 | 4 | 3 | 0 | 1 | 58.3% |
| C.Simms | TB | 137 | 22 | 136 | 25 | -4.7% | 23 | -4.8% | 342 | 1,826 | 1,902 | 10 | 2 | 4 | 6 | 62.0% |
| J.Martin | STL | 132 | 23 | 145 | 24 | 0.2% | 21 | 1.3% | 189 | 1,232 | 1,116 | 5 | 1 | 1 | 7 | 70.5% |
| A.Brooks | NO | 112 | 24 | 192 | 22 | -7.2% | 25 | -4.4% | 463 | 2,650 | 2,449 | 13 | 2 | 2 | 16 | 56.7% |
| T.Dilfer | CLE | 89 | 25 | 73 | 27 | -7.4% | 26 | -8.0% | 360 | 2,195 | 2,004 | 11 | 2 | 5 | 11 | 59.9% |
| J.McCown | ARI | 80 | 26 | 92 | 26 | -6.8% | 24 | -6.1% | 290 | 1,778 | 1,583 | 9 | 1 | 2 | 10 | 61.0% |
| G.Frerotte | MIA | 67 | 27 | 170 | 23 | -9.1% | 27 | -6.0% | 522 | 2,881 | 2,746 | 18 | 6 | 4 | 13 | 52.6% |
| K.Boller | BAL | 23 | 28 | -24 | 29 | -9.9% | 28 | -12.4% | 315 | 1,646 | 1,563 | 11 | 4 | 1 | 11 | 59.2% |
| M.Vick | ATL | 11 | 29 | -60 | 32 | -10.7% | 29 | -13.4% | 424 | 2,310 | 2,183 | 15 | 5 | 3 | 13 | 55.4% |
| B.Griese | TB | -23 | 30 | -4 | 28 | -13.1% | 30 | -11.5% | 187 | 1,076 | 901 | 7 | 1 | 1 | 7 | 64.7% |
| J.Garcia | DET | -29 | 31 | -37 | 30 | -13.6% | 31 | -14.3% | 181 | 908 | 902 | 3 | 1 | 0 | 6 | 59.3% |
| R.Fitzpatrick | STL | -83 | 32 | -58 | 31 | -20.1% | 36 | -17.5% | 148 | 796 | 630 | 4 | 1 | 1 | 7 | 56.3% |
| Player | Team | DYAR | Rk | YAR | Rk | DVOA | Rk | VOA | Passes | Yards | EYds | TD | FK | FL | INT | C% |
| A.Wright | BAL | -85 | 33 | -117 | 33 | -16.1% | 33 | -18.0% | 284 | 1,458 | 1,257 | 6 | 3 | 1 | 8 | 62.8% |
| C.Frye | CLE | -93 | 34 | -143 | 36 | -19.3% | 35 | -23.5% | 184 | 870 | 810 | 4 | 2 | 3 | 5 | 60.5% |
| J.Harrington | DET | -104 | 35 | -206 | 38 | -15.7% | 32 | -20.1% | 356 | 1,881 | 1,698 | 12 | 3 | 4 | 11 | 57.3% |
| K.Holcomb | BUF | -123 | 36 | -118 | 34 | -18.5% | 34 | -18.2% | 254 | 1,370 | 1,182 | 10 | 5 | 4 | 8 | 67.4% |
| T.Rattay | SF | -128 | 37 | -140 | 35 | -29.7% | 40 | -31.4% | 108 | 622 | 381 | 5 | 1 | 2 | 6 | 58.3% |
| V.Testaverde | NYJ | -183 | 38 | -187 | 37 | -34.8% | 43 | -35.4% | 123 | 736 | 378 | 1 | 0 | 6 | 6 | 56.6% |
| T.Bouman | NO | -222 | 39 | -245 | 40 | -36.6% | 44 | -39.2% | 131 | 693 | 400 | 2 | 1 | 3 | 6 | 55.7% |
| D.Culpepper | MIN | -224 | 40 | -265 | 41 | -25.7% | 37 | -28.3% | 251 | 1,401 | 944 | 6 | 2 | 3 | 12 | 64.7% |
| B.Bollinger | NYJ | -296 | 41 | -218 | 39 | -26.4% | 38 | -22.4% | 304 | 1,422 | 1,162 | 7 | 2 | 1 | 6 | 56.8% |
| M.McMahon | PHI | -335 | 42 | -343 | 42 | -34.4% | 42 | -35.0% | 233 | 1,143 | 703 | 5 | 4 | 2 | 8 | 45.9% |
| J.Losman | BUF | -482 | 43 | -414 | 43 | -43.3% | 45 | -38.7% | 255 | 1,188 | 555 | 8 | 4 | 3 | 8 | 50.9% |
| D.Carr | HOU | -574 | 44 | -606 | 44 | -29.6% | 39 | -30.6% | 490 | 2,076 | 1,722 | 14 | 10 | 6 | 11 | 61.2% |
| K.Orton | CHI | -595 | 45 | -624 | 45 | -33.8% | 41 | -34.9% | 412 | 1,805 | 1,301 | 9 | 6 | 4 | 13 | 51.9% |
| A.Smith | SF | -879 | 46 | -905 | 46 | -89.4% | 46 | -91.7% | 196 | 720 | -288 | 1 | 8 | 2 | 11 | 50.9% |
| Player | Team | DYAR | YAR | DVOA | VOA | Passes | Yards | EYds | TD | FK | FL | INT | C% |
| J.Sorgi | IND | 135 | 126 | 21.3% | 19.3% | 64 | 428 | 518 | 3 | 0 | 1 | 1 | 68.9% |
| M.Schaub | ATL | 97 | 148 | 11.2% | 23.1% | 70 | 472 | 490 | 4 | 0 | 1 | 0 | 52.4% |
| C.Batch | PIT | 91 | 102 | 25.6% | 30.2% | 37 | 266 | 322 | 1 | 0 | 0 | 1 | 65.7% |
| J.Fiedler | NYJ | 47 | 41 | 44.3% | 37.0% | 14 | 102 | 131 | 1 | 1 | 0 | 0 | 61.5% |
| P.Ramsey | WAS | 34 | 18 | 9.5% | 0.2% | 29 | 257 | 187 | 1 | 1 | 1 | 1 | 60.0% |
| Q.Gray | JAC | 30 | 49 | 25.8% | 48.5% | 15 | 91 | 107 | 2 | 0 | 1 | 0 | 57.1% |
| C.Weinke | CAR | 30 | 32 | 24.6% | 26.5% | 13 | 64 | 109 | 1 | 0 | 0 | 0 | 53.8% |
| S.Rosenfels | MIA | 27 | 22 | -4.2% | -5.5% | 61 | 445 | 356 | 4 | 1 | 0 | 3 | 57.6% |
| M.Cassel | NE | 16 | 15 | -1.7% | -2.4% | 26 | 192 | 157 | 2 | 1 | 1 | 1 | 56.5% |
| R.Grossman | CHI | 14 | 20 | -5.3% | -2.8% | 40 | 250 | 216 | 1 | 0 | 0 | 2 | 51.3% |
| D.Flutie | NE | -11 | -17 | -31.3% | -41.7% | 11 | 20 | 30 | 0 | 0 | 0 | 0 | 50.0% |
| D.Orlovsky | DET | -29 | -34 | -37.3% | -42.7% | 18 | 62 | 49 | 0 | 0 | 1 | 0 | 41.2% |
| M.Mauck | TEN | -33 | -53 | -30.7% | -42.2% | 28 | 128 | 92 | 0 | 0 | 0 | 1 | 55.6% |
| Player | Team | DYAR | YAR | DVOA | VOA | Passes | Yards | EYds | TD | FK | FL | INT | C% |
| M.Tuiasosopo | OAK | -46 | -68 | -34.5% | -45.8% | 34 | 127 | 95 | 1 | 0 | 2 | 1 | 53.8% |
| J.Navarre | ARI | -46 | -11 | -39.9% | -17.7% | 28 | 147 | 67 | 1 | 0 | 0 | 1 | 58.3% |
| T.Banks | HOU | -48 | -13 | -39.1% | -18.4% | 25 | 173 | 73 | 1 | 0 | 0 | 2 | 56.0% |
| S.Wallace | SEA | -53 | -37 | -41.0% | -32.3% | 30 | 149 | 71 | 1 | 2 | 0 | 1 | 52.0% |
| P.Rivers | SD | -69 | -85 | -53.6% | -63.1% | 25 | 99 | 37 | 0 | 1 | 1 | 1 | 54.5% |
| C.Pennington | NYJ | -104 | -136 | -29.0% | -34.5% | 96 | 506 | 328 | 2 | 5 | 2 | 3 | 59.0% |
| K.Dorsey | SF | -106 | -45 | -29.6% | -19.0% | 96 | 490 | 317 | 2 | 1 | 1 | 2 | 53.9% |
| T.Maddox | PIT | -111 | -150 | -34.0% | -42.0% | 83 | 399 | 253 | 2 | 0 | 2 | 4 | 47.9% |
| B.Volek | TEN | -122 | -171 | -30.7% | -38.6% | 97 | 417 | 336 | 4 | 1 | 2 | 2 | 57.5% |
| J.Kitna | CIN | -132 | -140 | -78.0% | -81.9% | 31 | 89 | -21 | 0 | 0 | 0 | 2 | 58.6% |
| A.Rodgers | GB | -133 | -139 | -117.6% | -122.7% | 19 | 40 | -80 | 0 | 0 | 2 | 1 | 56.3% |
| C.Pickett | SF | -169 | -178 | -98.2% | -102.8% | 40 | 124 | -55 | 0 | 1 | 0 | 2 | 40.0% |
| K.Detmer | PHI | -204 | -207 | -69.7% | -70.6% | 59 | 223 | 3 | 0 | 0 | 2 | 3 | 57.1% |
| Player | Team | DYAR | Rk | YAR | Rk | DVOA | Rk | VOA | Runs | Yards | EYds | TD | FUM |
| M.Vick | ATL | 161 | 1 | 153 | 1 | 21.9% | 8 | 20.3% | 85 | 612 | 719 | 6 | 3 |
| A.Brooks | NO | 94 | 2 | 100 | 2 | 35.6% | 3 | 39.0% | 39 | 285 | 361 | 2 | 0 |
| D.Garrard | JAC | 58 | 3 | 61 | 3 | 32.3% | 4 | 34.5% | 24 | 182 | 230 | 3 | 1 |
| J.Plummer | DEN | 54 | 4 | 47 | 6 | 20.5% | 10 | 16.2% | 28 | 170 | 246 | 2 | 1 |
| D.Culpepper | MIN | 54 | 5 | 54 | 5 | 38.1% | 2 | 38.1% | 20 | 150 | 203 | 1 | 0 |
| D.Carr | HOU | 43 | 6 | 56 | 4 | 4.7% | 15 | 9.5% | 51 | 311 | 288 | 1 | 1 |
| M.Hasselbeck | SEA | 38 | 7 | 41 | 8 | 21.5% | 9 | 23.9% | 20 | 139 | 171 | 1 | 0 |
| T.Brady | NE | 36 | 8 | 44 | 7 | 11.7% | 13 | 17.1% | 22 | 92 | 193 | 1 | 0 |
| B.Roethlisberger | PIT | 36 | 9 | 35 | 10 | 22.7% | 7 | 21.7% | 18 | 82 | 154 | 3 | 0 |
| B.Van Pelt | DEN | 33 | 10 | 28 | 12 | 56.4% | 1 | 45.8% | 8 | 50 | 111 | 1 | 0 |
| A.Wright | BAL | 30 | 11 | 30 | 11 | 27.3% | 5 | 26.3% | 12 | 73 | 126 | 0 | 0 |
| S.McNair | TEN | 30 | 12 | 38 | 9 | 9.7% | 14 | 15.7% | 23 | 147 | 171 | 1 | 0 |
| B.Leftwich | JAC | 29 | 13 | 26 | 13 | 14.0% | 12 | 11.1% | 20 | 78 | 150 | 2 | 0 |
| E.Manning | NYG | 27 | 14 | 22 | 14 | 23.9% | 6 | 17.9% | 15 | 98 | 116 | 1 | 1 |
| Player | Team | DYAR | Rk | YAR | Rk | DVOA | Rk | VOA | Runs | Yards | EYds | TD | FUM |
| J.Losman | BUF | 20 | 15 | 22 | 15 | 3.1% | 17 | 4.2% | 25 | 159 | 144 | 0 | 0 |
| D.Brees | SD | 16 | 16 | 8 | 18 | 3.7% | 16 | -3.4% | 16 | 54 | 107 | 1 | 0 |
| K.Collins | OAK | 15 | 17 | 12 | 16 | 19.6% | 11 | 12.8% | 9 | 43 | 71 | 1 | 0 |
| G.Frerotte | MIA | 12 | 18 | 10 | 17 | 2.5% | 18 | -0.2% | 16 | 73 | 84 | 0 | 0 |
| T.Green | KC | 7 | 19 | 8 | 19 | -5.1% | 20 | -4.9% | 18 | 93 | 95 | 0 | 1 |
| R.Fitzpatrick | STL | 7 | 20 | 7 | 20 | -2.0% | 19 | -1.0% | 12 | 64 | 62 | 2 | 1 |
| C.Palmer | CIN | 5 | 21 | 5 | 22 | -6.7% | 21 | -6.4% | 17 | 57 | 81 | 1 | 0 |
| B.Bollinger | NYJ | 5 | 22 | 4 | 23 | -9.5% | 23 | -9.6% | 30 | 137 | 136 | 0 | 0 |
| C.Frye | CLE | 4 | 23 | 3 | 24 | -6.9% | 22 | -8.1% | 14 | 62 | 62 | 1 | 1 |
| M.McMahon | PHI | 2 | 24 | 6 | 21 | -11.0% | 25 | -7.8% | 26 | 123 | 108 | 3 | 1 |
| J.Garcia | DET | 1 | 25 | 1 | 26 | -10.9% | 24 | -10.4% | 13 | 54 | 59 | 1 | 0 |
| C.Simms | TB | 0 | 26 | 3 | 25 | -12.6% | 26 | -6.1% | 9 | 39 | 34 | 0 | 0 |
| D.McNabb | PHI | 0 | 27 | -2 | 27 | -12.6% | 27 | -14.9% | 14 | 62 | 57 | 1 | 1 |
| B.Favre | GB | -5 | 28 | -5 | 28 | -22.9% | 29 | -23.4% | 9 | 63 | 20 | 0 | 1 |
| Player | Team | DYAR | Rk | YAR | Rk | DVOA | Rk | VOA | Runs | Yards | EYds | TD | FUM |
| J.Harrington | DET | -12 | 29 | -22 | 35 | -24.0% | 30 | -34.4% | 21 | 83 | 44 | 0 | 0 |
| D.Bledsoe | DAL | -14 | 30 | -20 | 33 | -24.7% | 31 | -30.0% | 19 | 59 | 49 | 2 | 2 |
| J.Delhomme | CAR | -14 | 31 | -16 | 30 | -38.4% | 35 | -41.6% | 11 | 43 | 5 | 1 | 1 |
| J.McCown | ARI | -15 | 32 | -20 | 34 | -21.7% | 28 | -25.3% | 28 | 141 | 78 | 0 | 2 |
| C.Pickett | SF | -15 | 33 | -19 | 32 | -40.1% | 37 | -47.7% | 10 | 43 | 4 | 0 | 1 |
| K.Holcomb | BUF | -17 | 34 | -14 | 29 | -35.4% | 34 | -31.1% | 10 | 11 | 13 | 1 | 1 |
| M.Brunell | WAS | -23 | 35 | -29 | 36 | -27.7% | 32 | -31.9% | 26 | 124 | 55 | 0 | 2 |
| K.Boller | BAL | -23 | 36 | -18 | 31 | -31.7% | 33 | -27.3% | 21 | 65 | 33 | 1 | 1 |
| A.Smith | SF | -30 | 37 | -29 | 37 | -39.9% | 36 | -38.5% | 27 | 103 | 8 | 0 | 1 |
| K.Orton | CHI | -33 | 38 | -34 | 39 | -102.0% | 40 | -105.0% | 9 | 50 | -50 | 0 | 2 |
| P.Manning | IND | -40 | 39 | -34 | 38 | -56.3% | 38 | -49.6% | 14 | 61 | -27 | 0 | 2 |
| T.Dilfer | CLE | -44 | 40 | -43 | 40 | -86.9% | 39 | -85.4% | 12 | 46 | -60 | 0 | 2 |