A.J. Klein is a career quality starter — a pass rusher whose body of work places Klein in the top half of all players at the position historically. The Knox model values sustained contribution over flash, and Klein's career arc reflects exactly that kind of reliable professional-grade performance.
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping. Switch to Combined to fold the selected families into unified totals—yards from scrimmage, total TDs, touches.
| Season | Age | Team | G | GS | Defense | Snap Counts | Advanced Defense & Coverage (2018+) | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | Off | Off% | Def | Def% | ST | ST% | Tgt | Cmp | Cmp% | RateAll | ADOT | Prss | Hrry | QBKD | Bltz | MissTkl | Miss% | |||||
| 2013 | 22 | CAR | 7 | — | 16 | 15 | 1 | 5 | 2 | 2.0 | 9.0 | 0 | 0 | 0 | — | 0 | 0 | — | 0.0% | 129 | 13.8% | 260 | 61.8% | — | — | — | — | — | — | — | — | — | — | — |
| 2014 | 23 | CAR | 11 | — | 34 | 21 | 13 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | — | 0 | 0 | — | 0.0% | 282 | 31.6% | 269 | 65.9% | — | — | — | — | — | — | — | — | — | — | — |
| 2015 | 24 | CAR | 11 | — | 46 | 32 | 14 | 7 | 1 | 1.0 | 9.0 | 1 | 1 | 1 | — | 0 | 0 | — | 0.0% | 318 | 29.9% | 283 | 64.0% | — | — | — | — | — | — | — | — | — | — | — |
| 2016 | 25 | CAR | 10 | — | 26 | 13 | 13 | 2 | 1 | 1.0 | 4.0 | 0 | 1 | 2 | — | 0 | 0 | — | 0.0% | 350 | 34.1% | 231 | 51.9% | — | — | — | — | — | — | — | — | — | — | — |
| 2017 | 26 | NO | 10 | — | 54 | 37 | 17 | 6 | 3 | 2.0 | 11.0 | 0 | 4 | 1 | — | 0 | 0 | — | 0.0% | 664 | 85.7% | 63 | 17.6% | — | — | — | — | — | — | — | — | — | — | — |
| 2018 | 27 | NO | 16 | — | 66 | 38 | 28 | 7 | 4 | 2.0 | 13.0 | 1 | 3 | 0 | 2 | 0 | 0 | — | 0.0% | 669 | 64.8% | 172 | 40.2% | 35 | 22 | 0.6 | 72.0 | 5.8 | 5 | 1 | 2 | 53 | 5 | 0.1 |
| 2019 | 28 | NO | 14 | — | 63 | 41 | 22 | 5 | 5 | 2.5 | 12.5 | 1 | 2 | 1 | 1 | 1 | 0 | — | 0.0% | 753 | 76.9% | 83 | 20.0% | 52 | 36 | 0.7 | 107.5 | 5.3 | 7 | 2 | 2 | 53 | 7 | 0.1 |
| 2020 | 29 | BUF | 15 | — | 63 | 42 | 21 | 5 | 9 | 5.0 | 19.0 | 0 | 4 | 2 | 1 | 0 | 0 | — | 0.0% | 652 | 60.6% | 148 | 33.5% | 48 | 35 | 0.7 | 101.0 | 3.9 | 12 | 2 | 3 | 64 | 17 | 0.2 |
| 2021 | 30 | BUF | 8 | — | 26 | 20 | 6 | 4 | 1 | 0.0 | 5.0 | 1 | 5 | 0 | 1 | 0 | 0 | — | 0.0% | 277 | 26.6% | 161 | 43.3% | 25 | 16 | 0.6 | 63.1 | 2.3 | 1 | 0 | 1 | 14 | 5 | 0.1 |
| 2022 | 31 | TOT | 2 | — | 12 | 8 | 4 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | — | 0 | 0 | — | — | 104 | — | 100 | — | 6 | 5 | 0.8 | 79.2 | -0.8 | 0 | 0 | 0 | 3 | 1 | 0.1 |
| 2022 | 31 | BAL | 1 | — | 4 | 3 | 1 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | — | 0 | 0 | — | 0.0% | 18 | 13.5% | 8 | 14.0% | — | — | — | — | — | — | — | — | — | — | — |
| 2022 | 31 | BUF | 1 | — | 8 | 5 | 3 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | — | 0 | 0 | — | 0.0% | 86 | 20.7% | 83 | 50.5% | — | — | — | — | — | — | — | — | — | — | — |
| 2022 | 31 | CHI | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.0% | — | 0.0% | 9 | 16.5% | — | — | — | — | — | — | — | — | — | — | — |
| 2023 | 32 | BUF | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.0% | — | 0.0% | 19 | 36.0% | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 110 | — | 406 | 267 | 139 | 45 | 26 | 15.5 | 86.5 | 4 | 20 | 7 | 5 | 1 | 0 | — | 0.0% | 4,198 | 43.6% | 1,789 | 44.0% | 166 | 114 | — | — | — | 25 | 5 | 8 | 187 | 35 | — | |
Career Value · VORP
49 career value over replacement — #2062 all-time of 4,649. 5.4/season above a replacement-level LB.
Pick #148 (Rd 5) · CAR · 2013 · +26.2 vs expected KV-H
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Rate A.J. Klein — All-Time
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| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 22 | CAR | 7 | 0* | 16 | 15 | 1 | 5 | 2 | 2.0 | 9.0 | 0 | 0 | 0 | — | 0 | 0 | 3.4 |
| 2014 | 23 | CAR | 11 | 0* | 34 | 21 | 13 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | — | 0 | 0 | 3.8 |
| 2015 | 24 | CAR | 11 | 0* | 46 | 32 | 14 | 7 | 1 | 1.0 | 9.0 | 1 | 1 | 1 | — | 0 | 0 | 6.9 |
| 2016 | 25 | CAR | 10 | 0* | 26 | 13 | 13 | 2 | 1 | 1.0 | 4.0 | 0 | 1 | 2 | — | 0 | 0 | 5.2 |
| 2017 | 26 | NO | 10 | 10* | 54 | 37 | 17 | 6 | 3 | 2.0 | 11.0 | 0 | 4 | 1 | — | 0 | 0 | 6.5 |
| 2018 | 27 | NO | 16 | 10* | 66 | 38 | 28 | 7 | 4 | 2.0 | 13.0 | 1 | 3 | 0 | 2 | 0 | 0 | 9.1 |
| 2019 | 28 | NO | 14 | 12* | 63 | 41 | 22 | 5 | 5 | 2.5 | 12.5 | 1 | 2 | 1 | 1 | 1 | 0 | 9.1 |
| 2020 | 29 | BUF | 15 | 10* | 63 | 42 | 21 | 5 | 9 | 5.0 | 19.0 | 0 | 4 | 2 | 1 | 0 | 0 | 9.8 |
| 2021 | 30 | BUF | 8 | 0* | 26 | 20 | 6 | 4 | 1 | 0.0 | 5.0 | 1 | 5 | 0 | 1 | 0 | 0 | 5.2 |
| 2022 | 31 | TOT | 2 | — | 12 | 8 | 4 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | — | 0 | 0 | — |
| 2022 | 31 | BAL | 1 | — | 4 | 3 | 1 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | — | 0 | 0 | — |
| 2022 | 31 | BUF | 1 | — | 8 | 5 | 3 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | — | 0 | 0 | — |
| Career | 104 | 42* | 406 | 267 | 139 | 45 | 26 | — | — | 4 | 20 | 7 | 5 | 1 | 0 | 59 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
| Season | Age | Team | G | GS | Off | Off% | Def | Def% | ST | ST% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 22 | CAR | 16 | 0* | — | 0.0% | 129 | 13.8% | 260 | 61.8% |
| 2014 | 23 | CAR | 14 | 0* | — | 0.0% | 282 | 31.6% | 269 | 65.9% |
| 2015 | 24 | CAR | 15 | 0* | — | 0.0% | 318 | 29.9% | 283 | 64.0% |
| 2016 | 25 | CAR | 15 | 0* | — | 0.0% | 350 | 34.1% | 231 | 51.9% |
| 2017 | 26 | NO | 12 | 10* | — | 0.0% | 664 | 85.7% | 63 | 17.6% |
| 2018 | 27 | NO | 16 | 10* | — | 0.0% | 669 | 64.8% | 172 | 40.2% |
| 2019 | 28 | NO | 15 | 12* | — | 0.0% | 753 | 76.9% | 83 | 20.0% |
| 2020 | 29 | BUF | 16 | 10* | — | 0.0% | 652 | 60.6% | 148 | 33.5% |
| 2021 | 30 | BUF | 15 | 0* | — | 0.0% | 277 | 26.6% | 161 | 43.3% |
| 2022 | 31 | TOT | 10 | — | — | — | 104 | — | 100 | — |
| 2022 | 31 | BAL | 2 | — | — | 0.0% | 18 | 13.5% | 8 | 14.0% |
| 2022 | 31 | BUF | 6 | — | — | 0.0% | 86 | 20.7% | 83 | 50.5% |
| 2022 | 31 | CHI | 2 | — | — | 0.0% | — | 0.0% | 9 | 16.5% |
| 2023 | 32 | BUF | 2 | — | — | 0.0% | — | 0.0% | 19 | 36.0% |
| Career | 146 | 42* | — | — | 4,198 | — | 1,789 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
| Season | Age | Team | G | GS | Tgt | Cmp | Cmp% | RateAll | ADOT | Prss | Hrry | QBKD | Bltz | MissTkl | Miss% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 27 | NO | 16 | 10* | 35 | 22 | 0.6 | 72.0 | 5.8 | 5 | 1 | 2 | 53 | 5 | 0.1 |
| 2019 | 28 | NO | 15 | 12* | 52 | 36 | 0.7 | 107.5 | 5.3 | 7 | 2 | 2 | 53 | 7 | 0.1 |
| 2020 | 29 | BUF | 16 | 10* | 48 | 35 | 0.7 | 101.0 | 3.9 | 12 | 2 | 3 | 64 | 17 | 0.2 |
| 2021 | 30 | BUF | 15 | 0* | 25 | 16 | 0.6 | 63.1 | 2.3 | 1 | 0 | 1 | 14 | 5 | 0.1 |
| 2022 | 31 | TOT* | 10 | — | 6 | 5 | 0.8 | 79.2 | -0.8 | 0 | 0 | 0 | 3 | 1 | 0.1 |
| Career | 72 | 32* | 166 | 114 | — | — | — | 25 | 5 | 8 | 187 | 35 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
* Advanced source publishes an all-team season aggregate only. Exact team stints and team-specific counting stats remain available in the primary season tables.
A strong starter career by KV-H: a peak-driven profile that scores 56 of 100, era-normalized against sacks/g peers across 9 scored seasons.
Blend 55.8 × longevity 1 = KV-H 56· confidence 99%
Season-by-season quality (era-relative sacks/g)
Al Wilson
MLB
88% match
2013 Draft ClassmatesFull class →