Shawntae Spencer is a career quality starter β a defensive back whose body of work places Spencer in the top half of all players at the position historically. The Knox model values sustained contribution over flash, and Spencer's career arc reflects exactly that kind of reliable professional-grade performance.
Shawntae Spencer
Height6'0"
Weight190 lb
BornFeb 22, 1982
Age44
CollegePittsburghSee College Stats
Rookie yr2004
Draft2004 Β· Rd 2, Pick 58 Β· SF
A quality defensive back with a top 30% among starters β a legitimate starter who contributed meaningfully across their career.
Career Value Β· VORP
VORP 54 Β· #1953 Β· Above AverageWorth 54 points of value above a freely-available replacement cornerback β top 43% of all 4,642 ranked at the position. 5 of 7 seasons cleared the replacement bar, by +10.8 on average.See board β
Seasons above replacement
5 cleared
2 replaced
Beat replacement (adds to VORP) Below it β adds 0, never a debit
49
Replacement
the KC-H bar
β
5
Seasons over
cleared the bar
Γ
+10.8
Avg surplus
peak +21
5 seasons Γ ~10.8 surplus β VORP 54
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 | |||||
| 2004 | β | SF | 15 | β | 60 | 52 | 8 | 0 | 0 | 0.0 | 0.0 | 0 | 7 | 0 | β | 0 | 0 |
| 2005 | β | SF | 15 | β | 75 | 66 | 9 | 0 | 0 | 0.0 | 0.0 | 4 | 19 | 0 | β | 1 | 0 |
| 2006 | β | SF | 13 | β | 55 | 47 | 8 | 0 | 1 | 2.0 | 3.0 | 1 | 9 | 2 | 2 | 0 | 0 |
| 2007 | β | SF | 10 | β | 23 | 21 | 2 | 0 | 0 | 0.0 | 0.0 | 1 | 3 | 0 | β | 0 | 0 |
| 2008 | β | SF | 2 | β | 2 | 2 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | β | 0 | 0 |
| 2009 | β | SF | 16 | β | 49 | 45 | 4 | 1 | 0 | 0.0 | 1.0 | 2 | 10 | 0 | β | 0 | 0 |
| 2010 | β | SF | 16 | β | 42 | 38 | 4 | 0 | 1 | 0.5 | 1.5 | 3 | 9 | 1 | 1 | 0 | 0 |
| 2011 | β | SF | 4 | β | 5 | 4 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 1 | 0 | β | 0 | 0 |
| 2012 | β | LV | 2 | β | 3 | 3 | 0 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | β | 0 | 0 |
| Career | β | 93 | β | 314 | 278 | 36 | 2 | 2 | 2.5 | 6.5 | 11 | 58 | 3 | 3 | 1 | 0 | |
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2004 | 22 | SF | 15 | β | 60 | 52 | 8 | 0 | 0 | 0.0 | 0.0 | 0 | 7 | 0 | β | 0 | 0 | 6.1 |
| 2005 | 23 | SF | 15 | β | 75 | 66 | 9 | 0 | 0 | 0.0 | 0.0 | 4 | 19 | 0 | β | 1 | 0 | 12.8 |
| 2006 | 24 | SF | 13 | β | 55 | 47 | 8 | 0 | 1 | 2.0 | 3.0 | 1 | 9 | 2 | 2 | 0 | 0 | 8.1 |
| 2007 | 25 | SF | 10 | β | 23 | 21 | 2 | 0 | 0 | 0.0 | 0.0 | 1 | 3 | 0 | β | 0 | 0 | 3.5 |
| 2008 | 26 | SF | 2 | β | 2 | 2 | 0 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | β | 0 | 0 | β |
| 2009 | 27 | SF | 16 | β | 49 | 45 | 4 | 1 | 0 | 0.0 | 1.0 | 2 | 10 | 0 | β | 0 | 0 | 8.1 |
| 2010 | 28 | SF | 16 | β | 42 | 38 | 4 | 0 | 1 | 0.5 | 1.5 | 3 | 9 | 1 | 1 | 0 | 0 | 9 |
| 2011 | 29 | SF | 4 | β | 5 | 4 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 1 | 0 | β | 0 | 0 | 1.1 |
| 2012 | 30 | LV | 2 | β | 3 | 3 | 0 | 1 | 0 | 0.0 | 1.0 | 0 | 0 | 0 | β | 0 | 0 | β |
| Career | 93 | 314 | 278 | 36 | 2 | 2 | β | β | 11 | 58 | 3 | 3 | 1 | 0 | 48.7 |
KV-H Anatomy
KV-H 60 Β· Strong StarterA strong starter career by KV-H: a peak-driven profile that scores 60 of 100, era-normalized against int/g peers across 7 scored seasons.
56
Sustained
career value
Γ.6
66
Peak
best 3 seasons
Γ.4
Γ1
Longevity
career length
Blend 60 Γ longevity 1 = KV-H 60Β· confidence 93%
What builds the career mark of 56
On-field 38.8
Availability 17.2
On-field production Staying available
Season-by-season quality (era-relative int/g)
2004bestavg 52elite 702011
All-Time Standing
how this career measures against the all-time greats at the position5
Depth
of 100
Reached 5% of the all-time Interceptions leader β a rotational/depth all-time profile at the position.
5% of the all-time Interceptions leader5
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: 91%.
Career Aging Trajectory
vs. position group average Β· KV-H basisAmber = this player (normalized to own peak). Indigo = average defensive backs aging curve. Group peak age: 21. Source: StatVault KV-H era (1999+).
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Pittsburgh), 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
Andy LeeP8yFrank GoreRB7yIsaac SopoagaNT7yVernon DavisTE6yDelanie WalkerTE6yParys HaralsonOLB6yArnaz BattleWR6yManny LawsonOLB5yDashon GoldsonDB5yPatrick WillisILB5yRay McDonaldDE5yJeff UlbrichILB5yKeith LewisDB5yJustin SmithDE4yBryant YoungDT4yNate ClementsS4yDerek M. SmithILB4yMark RomanS4yAubrayo FranklinNT4yTarell BrownCB4yJosh MorganWR4yMichael RobinsonFB4yRonald FieldsDT4yBrandon MooreLB4y
2004 Draft ClassΒ· this player went #58
Franchise Succession
the room, before and afterShawntae inherited the San Francisco 49ers DB room from Tony Parrish (2002β2006), and handed it to Walt Harris (2006β2008).
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Movementderived from season history
- 2012team change
Joined LV (from SF)
- 2012final season
Last recorded season with LV
- 2004draft
Drafted by SF β Round 2, Pick 58
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'0" / 190 lb
Frame
Injury History
7 career games missed (Out)From nflverse weekly injury reports Β· coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2012 | OAK | 7 | W3OutΒ· FootW4OutΒ· FootW6OutΒ· FootW7OutΒ· FootW8OutΒ· FootW9OutΒ· FootW10OutΒ· Foot |
| 2011 | SF | 0 | W5QuestionableΒ· Toe |
| 2010 | SF | 0 | W13QuestionableΒ· Quadricep |
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 7-season peers. See all β
60
peak 66
Season Report CardsΒ· KV-H era-normalized per season
C2004
B+2005
C+2006
C+2007
B2009
B2010
F2011
Availability
Career durability β games played vs. scheduled, across 9 seasons.
65%
Era Translator
INT 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 INT | INT/G | β 2025 INT | β 2025 /G |
|---|---|---|---|---|
| 2004 | 0 | 0 | 0 | 0 |
| 2005 | 4 | 0.3 | 3-1 | 0.2 |
| 2006 | 1 | 0.1 | 1 | 0 |
| 2007 | 1 | 0.1 | 1 | 0.1 |
| 2009 | 2 | 0.1 | 1-1 | 0.1 |
| 2010 | 3 | 0.2 | 2-1 | 0.1 |
| 2011 | 0 | 0 | 0 | 0 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:draft_picks, nflverse:injuries Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
54 career value over replacement β #1953 all-time of 4,642. 7.7/season above a replacement-level CB.
Draft OutcomeValue β
Pick #58 (Rd 2) Β· SF Β· 2004 Β· +13.1 vs expected KV-H
60actual
46.9 expected Β· Ξ+13.1
Fan Rating
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