Greg Jefferson is a career quality starter β a pass rusher whose body of work places Jefferson in the top half of all players at the position historically. The Knox model values sustained contribution over flash, and Jefferson's career arc reflects exactly that kind of reliable professional-grade performance.
Greg Jefferson
Top 38% all-time pass rushersReliable Starter
Height6'3"
Weight280 lb
BornAug 31, 1971
Age54
CollegeUCFSee College Stats
Rookie yr1995
Draft1995 Β· Rd 3, Pick 72 Β· PHI
A edge rusher with a above-average career β the kind of consistent contributor every roster needs. Solid availability (excellent availability over their career) added to their value.
Career Value Β· VORP
VORP 46 Β· #2160 Β· Above AverageWorth 46 points of value above a freely-available replacement interior lineman β top 48% of all 4,642 ranked at the position. 4 of 4 seasons cleared the replacement bar, by +11.5 on average.See board β
Seasons above replacement
4 cleared
Beat replacement (adds to VORP) Below it β adds 0, never a debit
47
Replacement
the KC-H bar
β
4
Seasons over
cleared the bar
Γ
+11.5
Avg surplus
peak +14
4 seasons Γ ~11.5 surplus β VORP 46
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at onceβno 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 | |||||
| 1996 | β | PHI | 11 | β | 13 | β | β | β | β | 2.5 | 2.5 | β | β | β | 0 | β | β |
| 1997 | β | PHI | 12 | β | 35 | β | β | β | β | 3.0 | 3.0 | β | β | β | 1 | β | β |
| 1998 | β | PHI | 15 | β | 27 | β | β | β | β | 4.0 | 4.0 | β | β | β | 0 | β | β |
| 1999 | β | PHI | 15 | β | 48 | 38 | 10 | 8 | 5 | 4.0 | 17.0 | 0 | 0 | 0 | 2 | 0 | 0 |
| Career | β | 53 | β | 123 | 38 | 10 | 8 | 5 | 13.5 | 26.5 | 0 | 0 | 0 | 3 | 0 | 0 | |
Defense
KV-H Anatomy
KV-H 55 Β· Strong StarterA strong starter career by KV-H: a remarkably steady profile that scores 55 of 100, era-normalized against sacks/g peers across 4 scored seasons, with a short career trimming the score.
59
Sustained
career value
Γ.6
60
Peak
best 3 seasons
Γ.4
Γ0.93
Longevity
career length
Blend 59.4 Γ longevity 0.93 = KV-H 55Β· confidence 100%
What builds the career mark of 59
On-field 42.1
Availability 16.9
On-field production Staying available
Season-by-season quality (era-relative sacks/g)
1996bestavg 591999
All-Time Standing
how this career measures against the all-time greats at the position6
Depth
of 100
Reached 7% of the all-time Sacks leader β a rotational/depth all-time profile at the position.
7% of the all-time Sacks leader7
0 categories β₯25% of the all-time leader0
A 0β100 scale where 100 = matched the all-time leaderat this position. Built only from visible encyclopedia data β career production vs. the all-time leader, plus efficiency (EPA) and comparable-player confidence β so it's a transparent context score, not a subjective rating. Tiers: Elite β₯ 85 Β· Strong β₯ 65 Β· Solid β₯ 45 Β· Depth < 45. Comparable-player confidence: 92%.
Career Aging Trajectory
vs. position group average Β· 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+).
College stats are not imported for this profile yet.
StatVault has the verified college attribution (UCF), 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 β every name is linked.
Top Teammates
Brian DawkinsS4yTroy VincentS4yHollis ThomasDT4yWilliam ThomasOLB4yBobby TaylorCB4yKevin TurnerFB4yIrving FryarWR3yCharlie GarnerRB3yJimmie JohnsonTE3yDuce StaleyRB3yJames DarlingLB3yRodney PeeteQB3yJames WillisLB3yJason DunnTE3yTom HuttonP3yMike MamulaDE3yBobby HoyingQB3yRicky WattersRB2yMike CaldwellLB2yJeremiah TrotterMLB2yHugh DouglasDE2yEd JasperDT2yBill JohnsonDT2yChad LewisTE2y
1995 Draft ClassΒ· this player went #72
Franchise Succession
the room, before and afterGreg inherited the Philadelphia Eagles DL room from Mike Mamula (1995β2000), and handed it to Hollis Thomas (1996β2005).
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Movementderived from season history
- 1999final season
Last recorded season with PHI
- 1995draft
Drafted by PHI β Round 3, Pick 72
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'3" / 280 lb
Frame
Knox
StatVault's proprietary player intelligence, informed by full career data. How Knox works β
Historical Knox Β· KV-H
Era-normalized career quality β z-scored against 4-season peers. See all β
55
peak 60
Season Report CardsΒ· KV-H era-normalized per season
C+1996
C+1997
B1998
B1999
Availability
Career durability β games played vs. scheduled, across 4 seasons.
83%
Era Translator
Sacks translated to the 2025NFL β each season's standing among its own-era peers, projected onto 2025's scoring environment. Modern-era (1999+) coverage.
| Season | Actual Sacks | Sacks/G | β 2025 Sacks | β 2025 /G |
|---|---|---|---|---|
| 1996 | 2.5 | 0.2 | 4+1.5 | 0.2 |
| 1997 | 3 | 0.3 | 4+1 | 0.2 |
| 1998 | 4 | 0.3 | 4 | 0.2 |
| 1999 | 4 | 0.3 | 4 | 0.2 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:draft_picks, wikipedia:season-stats (CC-BY-SA, facts-only) Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
46 career value over replacement β #2160 all-time of 4,642. 11.5/season above a replacement-level DL.
Draft OutcomeValue β
Pick #72 (Rd 3) Β· PHI Β· 1995 Β· +14.1 vs expected KV-H
55actual
40.9 expected Β· Ξ+14.1
Fan Rating
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