Jason Jefferson
Role Player⭐ Shooting Star · 2008
Height6'1"
Weight295 lb
BornDec 20, 1981
Age44
CollegeWisconsinSee College Stats
Rookie yr2005
Draft2005 · Rd 6, Pick 193 · NO
A edge rusher who contributed in a defined role. Their developmental reflects a career built on specific contributions rather than volume.
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.
1 grid split in one view
| Season | Age | Team | G | GS | Defense | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | |||||
| 2006 | — | BUF | 2 | — | 2 | 0 | 2 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2007 | — | BUF | 7 | — | 7 | 3 | 4 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 |
| 2008 | — | ATL | 8 | — | 10 | 9 | 1 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Career | — | 17 | — | 19 | 12 | 7 | 2 | 0 | 0.0 | 2.0 | 0 | 0 | 0 | 1 | 0 | 0 | |
Defense
KV-H Anatomy
KV-H 29 · Depth / RotationalA depth / rotational career by KV-H: a remarkably steady profile that scores 29 of 100, era-normalized against sacks/g peers across 2 scored seasons, with a short career trimming the score.
36
Sustained
career value
×.6
36
Peak
best 3 seasons
×.4
×0.79
Longevity
career length
Blend 36 × longevity 0.79 = KV-H 29· confidence 94%
What builds the career mark of 36
On-field 27.2
Availability 8.8
On-field production Staying available
Season-by-season quality (era-relative sacks/g)
2007bestavg 362008
Career Aging Trajectory
vs. position group average · KV-H basisAmber = this player (normalized to own peak). Indigo = average defensive linemen aging curve. Group peak age: 25. Source: StatVault KV-H era (1999+).
Combine · 2005
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
5.10s
40-Yard
Below avg · 39th pct
Pos 39thAll 15thClass Pos 18thClass All 13th
28.5"
Vertical
Below avg · 38th pct
Pos 38thAll 13thClass Pos 38thClass All 9th
102"
Broad Jump
Below avg · 26th pct
Pos 26thAll 8thClass Pos 25thClass All 11th
7.79s
3-Cone
Below avg · 37th pct
Pos 37thAll 12thClass Pos 54thClass All 15th
4.47s
Shuttle
Strong · 82th pct
Pos 82thAll 31thClass Pos 63thClass All 24th
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Wisconsin), 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.
Reference Graph
Career teammates and draft class, derived from year-by-year rosters — every name is linked.
Top Teammates
Coy WireOLB3yRian LindellK2yKyle WilliamsDT2yDonte WhitnerS2yChris KelsayDE2yAaron SchobelDE2yLee EvansWR2yPeerless PriceWR2yJosh ReedWR2yJabari GreerCB2yTerrence McGeeCB2yJim LeonhardFS2yRyan DenneyDE2yBrian MoormanP2yAnthony ThomasRB2yAnthony HargroveDE2yLarry TripplettDT2yRobert RoyalTE2yKiwaukee ThomasDB2yMario HagganOLB2yRoscoe ParrishWR2yKeith EllisonILB2yAngelo CrowellLB2yJ.P. LosmanQB2y
2005 Draft Class· this player went #193
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Movementderived from season history
- 2008team change
Joined ATL (from BUF)
- 2008final season
Last recorded season with ATL
- 2006team change
Joined BUF (from NO)
- 2005draft
Drafted by NO — Round 6, Pick 193
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'1" / 295 lb
Frame
310 lb at 5.10s
Size-speed
28.5" vert / 102" broad
Explosion
Knox
StatVault's proprietary player intelligence, informed by full career data. How Knox works →
Historical Knox · KV-H
Era-normalized career quality — z-scored against 2-season peers. See all →
29
peak 36
Season Report Cards· KV-H era-normalized per season
D2007
D2008
Availability
Career durability — games played vs. scheduled, across 3 seasons.
35%
20062008
2006 · cause not documented · 13%
Era Translator
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 |
|---|---|---|---|---|
| 2007 | 0 | 0 | 0 | 0 |
| 2008 | 0 | 0 | 0 | 0 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:combine, nflverse:draft_picks, espn.com:stats-api (facts-only reference) · multi-source verified via the StatVault Oracle · updated 6/18/2026
Draft OutcomeValue ↑
Pick #193 (Rd 6) · NO · 2005 · +3.1 vs expected KV-H
29actual
25.9 expected · Δ+3.1
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