Shelton Quarles is a career quality starter — a linebacker whose body of work places Quarles in the top quarter of all players at the position historically. The Knox model values sustained contribution over flash, and Quarles's career arc reflects exactly that kind of reliable professional-grade performance.
Shelton Quarles
Top 13% all-time linebackersIron Man
A high-end linebacker defined as much by exceptional availability — almost never missed time as by their on-field impact (top 20% all-time). Coaches and teammates could count on them being available.
Career Value · VORP
VORP 115 · #926 · High-ValueWorth 115 points of value above a freely-available replacement linebacker — top 21% of all 4,642 ranked at the position. 8 of 8 seasons cleared the replacement bar, by +14.4 on average.See board →
Seasons above replacement
8 cleared
Beat replacement (adds to VORP) Below it — adds 0, never a debit
47
Replacement
the KC-H bar
→
8
Seasons over
cleared the bar
×
+14.4
Avg surplus
peak +24
8 seasons × ~14.4 surplus ≈ VORP 115
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 | |||||
| 1997 | — | TAM | 16 | — | — | — | — | — | — | 0.0 | 0.0 | — | — | — | — | — | — |
| 1998 | — | TAM | 16 | — | — | — | — | — | — | 1.0 | 1.0 | — | — | — | — | — | — |
| 1999 | — | TB | 14 | — | 31 | 19 | 12 | 1 | 0 | 0.0 | 1.0 | 0 | 2 | 0 | — | 0 | 0 |
| 2000 | — | TB | 14 | — | 42 | 27 | 15 | 3 | 2 | 2.0 | 7.0 | 1 | 5 | 0 | 2 | 0 | 0 |
| 2001 | — | TB | 15 | — | 42 | 26 | 16 | 6 | 2 | 2.0 | 10.0 | 1 | 2 | 1 | — | 1 | 0 |
| 2002 | — | TB | 16 | — | 98 | 59 | 39 | 3 | 1 | 1.0 | 5.0 | 2 | 5 | 0 | — | 1 | 0 |
| 2003 | — | TB | 11 | — | 56 | 33 | 23 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | 2 | 0 | 0 |
| 2004 | — | TB | 15 | — | 83 | 51 | 32 | 0 | 0 | 4.0 | 4.0 | 0 | 3 | 0 | — | 0 | 0 |
| 2005 | — | TB | 16 | — | 97 | 67 | 30 | 0 | 0 | 1.0 | 1.0 | 0 | 2 | 4 | 1 | 0 | 1 |
| 2006 | — | TB | 12 | — | 83 | 45 | 38 | 0 | 6 | 3.5 | 9.5 | 0 | 2 | 3 | — | 0 | 0 |
| Career | — | 145 | — | 532 | 327 | 205 | 13 | 11 | 14.5 | 38.5 | 4 | 21 | 8 | 5 | 2 | 1 | |
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1997 | 26 | TAM | 16 | — | — | — | — | — | — | 0.0 | 0.0 | — | — | — | — | — | — | 5.1 |
| 1998 | 27 | TAM | 16 | — | — | — | — | — | — | 1.0 | 1.0 | — | — | — | — | — | — | 6.9 |
| 1999 | 28 | TB | 14 | — | 31 | 19 | 12 | 1 | 0 | 0.0 | 1.0 | 0 | 2 | 0 | — | 0 | 0 | 4.8 |
| 2000 | 29 | TB | 14 | — | 42 | 27 | 15 | 3 | 2 | 2.0 | 7.0 | 1 | 5 | 0 | 2 | 0 | 0 | 7.7 |
| 2001 | 30 | TB | 15 | — | 42 | 26 | 16 | 6 | 2 | 2.0 | 10.0 | 1 | 2 | 1 | — | 1 | 0 | 8.5 |
| 2002 | 31 | TB | 16 | — | 98 | 59 | 39 | 3 | 1 | 1.0 | 5.0 | 2 | 5 | 0 | — | 1 | 0 | 10.5 |
| 2003 | 32 | TB | 11 | — | 56 | 33 | 23 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | 2 | 0 | 0 | 4.5 |
| 2004 | 33 | TB | 15 | — | 83 | 51 | 32 | 0 | 0 | 4.0 | 4.0 | 0 | 3 | 0 | — | 0 | 0 | 8.3 |
| 2005 | 34 | TB | 16 | — | 97 | 67 | 30 | 0 | 0 | 1.0 | 1.0 | 0 | 2 | 4 | 1 | 0 | 1 | 9 |
| 2006 | 35 | TB | 12 | — | 83 | 45 | 38 | 0 | 6 | 3.5 | 9.5 | 0 | 2 | 3 | — | 0 | 0 | 8 |
| Career | 145 | 532 | 327 | 205 | 13 | 11 | — | — | 4 | 21 | 8 | 5 | 2 | 1 | 73.3 |
KV-H Anatomy
KV-H 65 · Strong StarterA strong starter career by KV-H: a peak-driven profile that scores 65 of 100, era-normalized against tackles/g peers across 8 scored seasons.
62
Sustained
career value
×.6
71
Peak
best 3 seasons
×.4
×1
Longevity
career length
Blend 65.6 × longevity 1 = KV-H 65· confidence 100%
What builds the career mark of 62
On-field 44
Availability 18
On-field production Staying available
Season-by-season quality (era-relative tackles/g)
1999bestavg 61elite 702006
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 — a rotational/depth all-time profile at the position.
7% of the all-time Sacks leader7
0 categories ≥25% of the all-time leader0
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%.
Career Aging Trajectory
vs. position group average · KV-H basisAmber = this player (normalized to own peak). Indigo = average linebackers aging curve. Group peak age: 25. Source: StatVault KV-H era (1999+).
Postseason Career
8 playoff gamesDefense
Tkl48Solo32Ast16TFL4Dis4.0PD2
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Vanderbilt), 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
Ronde BarberFS10yDerrick BrooksOLB10yMike AlstottFB10yDave MooreTE8yBrian KellyCB8yJohn LynchFS7yWarren SappDT7ySimeon RiceDE6yAlshermond SingletonOLB6yDexter JacksonS6yMartin GramaticaK6yEllis WymsDT6yWarrick DunnRB5yChidi AhanotuDT5yDonnie AbrahamCB5yGreg SpiresDE5yJermaine PhillipsFS5ySteve WhiteDE5yReidel AnthonyWR5yRyan NeceOLB5yJameel CookRB5yKarl WilliamsWR5yShaun KingQB5yKeyshawn JohnsonWR4y
Franchise Succession
the room, before and afterShelton inherited the Tampa Bay Buccaneers LB room from Alshermond Singleton (1997–2002), and handed it to Jamie Duncan (2000–2001).
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Movementderived from season history
- 2006final season
Last recorded season with TB
- 1999team change
Joined TB (from TAM)
- 1997signing
Entered the NFL with TAM
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'1" / 225 lb
Frame
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 8-season peers. See all →
65
peak 71
Season Report Cards· KV-H era-normalized per season
C+1999
C+2000
C+2001
B+2002
C+2003
B2004
B+2005
B+2006
Availability
Career durability — games played vs. scheduled, across 10 seasons.
91%
Era Translator
Tackles 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 Tackles | Tackles/G | → 2025 Tackles | → 2025 /G |
|---|---|---|---|---|
| 1999 | 31 | 2.2 | 34+3 | 2 |
| 2000 | 42 | 3 | 41-1 | 2.4 |
| 2001 | 42 | 2.8 | 29-13 | 1.7 |
| 2002 | 98 | 6.1 | 101+3 | 6 |
| 2003 | 56 | 5.1 | 77+21 | 4.5 |
| 2004 | 83 | 5.5 | 87+4 | 5.1 |
| 2005 | 97 | 6.1 | 99+2 | 5.8 |
| 2006 | 83 | 6.9 | 119+36 | 7 |
Data: nflverse:players, nflverse:player_stats_def, wikipedia:season-stats (CC-BY-SA, facts-only), espn.com:stats-api (games-played, facts-only reference) · multi-source verified via the StatVault Oracle · updated 6/18/2026
Career Value · VORP
115 career value over replacement — #926 all-time of 4,642. 14.4/season above a replacement-level LB.
Fan Rating
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