Ken O'Brien is a career quality starter — a quarterback whose body of work places O'Brien in the top quarter of all players at the position historically. The Knox model values sustained contribution over flash, and O'Brien's career arc reflects exactly that kind of reliable professional-grade performance.
Season totals or exact team stints. Career totals count each season once.
| Season | Age | Team | G | GS | Passing | Rushing | Receiving | Punting | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cmp | Att | Cmp% | Yds | TD | Int | TD% | Int% | Y/A | AdjY/A | TD:INT | Rate | Sk | Att | Yds | TD | Y/A | TD% | 1D | 1D% | Fmb | Tgt | Rec | Yds | TD | Ctch% | Y/R | Y/Tgt | AirYd/T | 1D | Punts | Yds | Avg | Lng | |||||
| 1984 | 23–24 | NYJ | 10 | — | 116 | 203 | 57.1% | 1,402 | 6 | 7 | 3.0 | 3.4 | 6.9 | 5.9 | 0.9 | 74.0 | — | 16 | 29 | 0 | 1.8 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1985 | 24–25 | NYJ | 16 | — | 297 | 488 | 60.9% | 3,888 | 25 | 8 | 5.1 | 1.6 | 8.0 | 8.3 | 3.1 | 96.2 | — | 25 | 58 | 0 | 2.3 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1986 | 25–26 | NYJ | 15 | — | 300 | 482 | 62.2% | 3,690 | 25 | 20 | 5.2 | 4.1 | 7.7 | 6.8 | 1.3 | 85.8 | — | 17 | 46 | 0 | 2.7 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1987 | 26–27 | NYJ | 12 | — | 234 | 393 | 59.5% | 2,696 | 13 | 8 | 3.3 | 2.0 | 6.9 | 6.6 | 1.6 | 82.8 | — | 30 | 61 | 0 | 2.0 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1988 | 27–28 | NYJ | 14 | — | 236 | 424 | 55.7% | 2,567 | 15 | 7 | 3.5 | 1.7 | 6.1 | 6.0 | 2.1 | 78.6 | — | 21 | 25 | 0 | 1.2 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1989 | 28–29 | NYJ | 15 | — | 288 | 477 | 60.4% | 3,346 | 12 | 18 | 2.5 | 3.8 | 7.0 | 5.8 | 0.7 | 74.3 | — | 9 | 18 | 0 | 2.0 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1990 | 29–30 | NYJ | 16 | — | 226 | 411 | 55.0% | 2,855 | 13 | 10 | 3.2 | 2.4 | 6.9 | 6.5 | 1.3 | 77.3 | — | 21 | 72 | 0 | 3.4 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 23 | 23.0 | 23 |
| 1991 | 30–31 | NYJ | 16 | — | 287 | 489 | 58.7% | 3,300 | 10 | 11 | 2.0 | 2.2 | 6.7 | 6.1 | 0.9 | 76.6 | — | 23 | 60 | 0 | 2.6 | 0.0 | — | — | — | — | 1 | 27 | 0 | — | 27.0 | — | — | — | — | — | — | — |
| 1992 | 31–32 | NYJ | 10 | — | 55 | 98 | 56.1% | 642 | 5 | 6 | 5.1 | 6.1 | 6.6 | 4.8 | 0.8 | 67.6 | — | 8 | 8 | 0 | 1.0 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1993 | 32–33 | PHI | 5 | — | 71 | 137 | 51.8% | 708 | 4 | 3 | 2.9 | 2.2 | 5.2 | 4.8 | 1.3 | 67.4 | — | 4 | 17 | 0 | 4.3 | 0.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 129 | — | 2,110 | 3,602 | 58.6% | 25,094 | 128 | 98 | 3.6 | 2.7 | 7.0 | 6.5 | 1.3 | 80.4 | — | 174 | 394 | 0 | 2.3 | 0.0 | — | — | — | — | 1 | 27 | 0 | — | 27.0 | — | — | — | 1 | 23 | 23.0 | 23 | |
Career Value · VORP
222 career value over replacement — #310 all-time of 4,695. 22.2/season above a replacement-level QB.
Pick #24 (Rd 1) · NYJ · 1983 · +7.7 vs expected KV-H
Fan Rating
Rate Ken O'Brien — All-Time
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Regular-season all-time ranks
A high-end quarterback defined as much by excellent availability over their career as by their on-field impact (top 20% all-time). Coaches and teammates could count on them being available.
Worth 222 points of value above a freely-available replacement quarterback — top 8% of all 4,695 ranked at the position. 8 of 10 seasons cleared the replacement bar, by +27.8 on average.See board →
Seasons above replacement
8 seasons × ~27.8 surplus ≈ VORP 222
Kevin Kolb
QB
84% match