A edge rusher with a developmental — a rotational or backup contributor who filled their role reliably.
Worth 4 points of value above a freely-available replacement linebacker — top 86% of all 4,642 ranked at the position. 2 of 5 seasons cleared the replacement bar, by +2 on average.See board →
Seasons above replacement
2 seasons × ~2 surplus ≈ VORP 4
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.
| Season | Age | Team | G | GS | Defense | Snap Counts | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | Off | Off% | Def | Def% | ST | ST% | |||||
| 2009 | — | BUF | 4 | — | 8 | 5 | 3 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2010 | — | DET | 10 | — | 35 | 26 | 9 | 3 | 1 | 1.0 | 5.0 | 0 | 1 | 1 | — | 0 | 0 | — | — | — | — | — | — |
| 2011 | — | DET | 3 | — | 4 | 4 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2012 | — | DET | 5 | — | 9 | 8 | 1 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2013 | — | DET | 13 | — | 25 | 18 | 7 | 5 | 1 | 0.0 | 6.0 | 0 | 1 | 0 | 1 | 0 | 0 | — | 0.0% | 357 | 35.5% | 218 | 46.4% |
| 2014 | — | DET | 8 | — | 10 | 7 | 3 | 1 | 2 | 1.5 | 4.5 | 0 | 2 | 0 | — | 0 | 0 | — | 0.0% | 183 | 18.7% | 283 | 67.3% |
| Career | — | 43 | — | 91 | 68 | 23 | 12 | 4 | 2.5 | 18.5 | 0 | 4 | 1 | 1 | 0 | 0 | — | 0.0% | 540 | 27.1% | 501 | 56.9% | |
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 23 | BUF | 4 | — | 8 | 5 | 3 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | — | 0 | 0 | 1.3 |
| 2010 | 24 | DET | 10 | — | 35 | 26 | 9 | 3 | 1 | 1.0 | 5.0 | 0 | 1 | 1 | — | 0 | 0 | 4.3 |
| 2011 | 25 | DET | 3 | — | 4 | 4 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | — |
| 2012 | 26 | DET | 5 | — | 9 | 8 | 1 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | — | 0 | 0 | 1.8 |
| 2013 | 27 | DET | 13 | 0* | 25 | 18 | 7 | 5 | 1 | 0.0 | 6.0 | 0 | 1 | 0 | 1 | 0 | 0 | 4.7 |
| 2014 | 28 | DET | 8 | 0* | 10 | 7 | 3 | 1 | 2 | 1.5 | 4.5 | 0 | 2 | 0 | — | 0 | 0 | 3.4 |
| Career | 43 | 91 | 68 | 23 | 12 | 4 | — | — | 0 | 4 | 1 | 1 | 0 | 0 | 15.5 |
* 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 | 27 | DET | 16 | 0* | — | 0.0% | 357 | 35.5% | 218 | 46.4% |
| 2014 | 28 | DET | 16 | 0* | — | 0.0% | 183 | 18.7% | 283 | 67.3% |
| Career | 32 | — | — | 540 | — | 501 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
A solid career by KV-H: a peak-driven profile that scores 44 of 100, era-normalized against sacks/g peers across 5 scored seasons.
Blend 43.8 × longevity 1 = KV-H 44· confidence 83%
Season-by-season quality (era-relative sacks/g)
Reached 1% of the all-time Sacks leader — a rotational/depth all-time profile at the position.
A 0–100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data — career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence — so it's a transparent context score, not a subjective rating. Tiers: Elite ≥ 85 · Strong ≥ 65 · Solid ≥ 45 · Depth < 45. Comparable-player confidence: 90%.
Production per snap — the box score normalized by opportunity. SIS is z-scored within edge rushers, shrinkage-regularized so small samples don't spike, over the NFL snap-count era (2012+).
Amber = this player (normalized to own peak). Indigo = average linebackers aging curve. Group peak age: 25. Source: StatVault KV-H era (1999+).
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Mississippi; Compton Community College), but no parsed college box-score table is present in this profile artifact. The section stays here so every profile has a consistent college-stats landing point without fabricating unavailable rows.
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Last recorded season with DET
Joined DET (from BUF)
Entered the NFL with BUF
From nflverse weekly injury reports · coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2010 | DET | 0 | W9Questionable· Hamstring |
| 2009 | BUF | 0 | W16Questionable· AnkleW17Doubtful· Ankle |
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Era-normalized career quality — z-scored against 5-season peers. See all →
Career durability — games played vs. scheduled, across 6 seasons.
Sacks translated to the 2025NFL — each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual Sacks | Sacks/G | → 2025 Sacks | → 2025 /G |
|---|---|---|---|---|
| 2009 | 0 | 0 | 0 | 0 |
| 2010 | 1 | 0.1 | 2+1 | 0.1 |
| 2012 | 0 | 0 | 0 | 0 |
| 2013 | 0 | 0 | 0 | 0 |
| 2014 | 1.5 | 0.2 | 3+1.5 | 0.2 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 6/18/2026
Career Value · VORP
4 career value over replacement — #3967 all-time of 4,642. 0.8/season above a replacement-level LB.
Fan Rating
Rate Ashlee Palmer — All-Time
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