Jim Leonhard is a career quality starter — a defensive back whose body of work places Leonhard in the top half of all players at the position historically. The Knox model values sustained contribution over flash, and Leonhard's career arc reflects exactly that kind of reliable professional-grade performance.
Jim Leonhard
All-Time Rank & Honors
career ranks, postseason ranks, awards, title contextPostseason all-time ranks
A defensive back with a above-average career — the kind of consistent contributor every roster needs. Solid availability (excellent availability over their career) added to their value.
Career Value · VORP
VORP 85 · #1357 · High-ValueWorth 85 points of value above a freely-available replacement safety — top 30% of all 4,642 ranked at the position. 8 of 8 seasons cleared the replacement bar, by +10.6 on average.See board →
Seasons above replacement
8 cleared
Beat replacement (adds to VORP) Below it — adds 0, never a debit
48
Replacement
the KC-H bar
→
8
Seasons over
cleared the bar
×
+10.6
Avg surplus
peak +34
8 seasons × ~10.6 surplus ≈ VORP 85
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.
2 grids split in one view
| 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% | |||||
| 2005 | — | BUF | 3 | — | 3 | 0 | 3 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2006 | — | BUF | 2 | — | 7 | 5 | 2 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2007 | — | BUF | 10 | — | 45 | 35 | 10 | 0 | 0 | 0.0 | 0.0 | 2 | 3 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2008 | — | BAL | 15 | — | 62 | 48 | 14 | 2 | 5 | 1.0 | 8.0 | 1 | 6 | 0 | — | 1 | 0 | — | — | — | — | — | — |
| 2009 | — | NYJ | 16 | — | 64 | 42 | 22 | 9 | 3 | 2.5 | 14.5 | 1 | 5 | 1 | — | 0 | 0 | — | — | — | — | — | — |
| 2010 | — | NYJ | 11 | — | 50 | 46 | 4 | 1 | 1 | 0.0 | 2.0 | 1 | 4 | 0 | 1 | 0 | 0 | — | — | — | — | — | — |
| 2011 | — | NYJ | 13 | — | 44 | 34 | 10 | 1 | 2 | 0.0 | 3.0 | 1 | 6 | 1 | 1 | 0 | 0 | — | — | — | — | — | — |
| 2012 | — | DEN | 11 | — | 16 | 11 | 5 | 1 | 0 | 0.0 | 1.0 | 2 | 2 | 0 | — | 0 | 0 | — | — | — | — | — | — |
| 2013 | — | BUF | 11 | — | 33 | 22 | 11 | 1 | 0 | 0.0 | 1.0 | 4 | 6 | 0 | — | 0 | 0 | — | 0.0% | 613 | 57.0% | 245 | 48.2% |
| 2014 | — | CLE | 12 | — | 34 | 26 | 8 | 1 | 2 | 1.0 | 4.0 | 2 | 3 | 0 | — | 0 | 0 | — | 0.0% | 503 | 43.1% | 206 | 43.9% |
| Career | — | 104 | — | 358 | 269 | 89 | 16 | 13 | 4.5 | 33.5 | 14 | 35 | 2 | 2 | 1 | 0 | — | 0.0% | 1,116 | 50.0% | 451 | 46.1% | |
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2005 | 23 | BUF | 3 | — | 3 | 0 | 3 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | — |
| 2006 | 24 | BUF | 2 | — | 7 | 5 | 2 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | — | 0 | 0 | — |
| 2007 | 25 | BUF | 10 | — | 45 | 35 | 10 | 0 | 0 | 0.0 | 0.0 | 2 | 3 | 0 | — | 0 | 0 | 4.6 |
| 2008 | 26 | BAL | 15 | — | 62 | 48 | 14 | 2 | 5 | 1.0 | 8.0 | 1 | 6 | 0 | — | 1 | 0 | 7.3 |
| 2009 | 27 | NYJ | 16 | — | 64 | 42 | 22 | 9 | 3 | 2.5 | 14.5 | 1 | 5 | 1 | — | 0 | 0 | 7.3 |
| 2010 | 28 | NYJ | 11 | — | 50 | 46 | 4 | 1 | 1 | 0.0 | 2.0 | 1 | 4 | 0 | 1 | 0 | 0 | 4.8 |
| 2011 | 29 | NYJ | 13 | — | 44 | 34 | 10 | 1 | 2 | 0.0 | 3.0 | 1 | 6 | 1 | 1 | 0 | 0 | 6.2 |
| 2012 | 30 | DEN | 11 | — | 16 | 11 | 5 | 1 | 0 | 0.0 | 1.0 | 2 | 2 | 0 | — | 0 | 0 | 4.4 |
| 2013 | 31 | BUF | 11 | 9* | 33 | 22 | 11 | 1 | 0 | 0.0 | 1.0 | 4 | 6 | 0 | — | 0 | 0 | 7 |
| 2014 | 32 | CLE | 12 | 0* | 34 | 26 | 8 | 1 | 2 | 1.0 | 4.0 | 2 | 3 | 0 | — | 0 | 0 | 5.3 |
| Career | 104 | 9* | 358 | 269 | 89 | 16 | 13 | — | — | 14 | 35 | 2 | 2 | 1 | 0 | 46.9 |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Snap Counts
| Season | Age | Team | G | GS | Off | Off% | Def | Def% | ST | ST% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 31 | BUF | 16 | 9* | — | 0.0% | 613 | 57.0% | 245 | 48.2% |
| 2014 | 32 | CLE | 16 | 0* | — | 0.0% | 503 | 43.1% | 206 | 43.9% |
| Career | 32 | 9* | — | — | 1,116 | — | 451 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
KV-H Anatomy
KV-H 57 · Strong StarterA strong starter career by KV-H: a remarkably steady profile that scores 57 of 100, era-normalized against int/g peers across 8 scored seasons.
58
Sustained
career value
×.6
55
Peak
best 3 seasons
×.4
×1
Longevity
career length
Blend 56.8 × longevity 1 = KV-H 57· confidence 100%
What builds the career mark of 58
On-field 42.1
Availability 15.9
On-field production Staying available
Season-by-season quality (era-relative int/g)
2007bestavg 59elite 702014
Team Carrier Evidence
Ranked #550 of 600 by seasons where high individual production happened on low-win teams. Score aggregates only tracked StatVault categories.
All-Time Standing
how this career measures against the all-time greats at the position5
Depth
of 100
Reached 6% of the all-time Interceptions leader — a rotational/depth all-time profile at the position.
6% of the all-time Interceptions leader6
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: 91%.
Per-Snap Impact
Defensive Backs · proprietary · 2012+43
Solid
SIS
Disruption/1001.792Snap share50%Def snaps1,116Emerging
Production per snap — the box score normalized by opportunity. SIS is z-scored within defensive backs, shrinkage-regularized so small samples don't spike, over the NFL snap-count era (2012+).
Career Aging Trajectory
vs. position group average · 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+).
Combine · 2005
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
4.63s
40-Yard
Low · 9th pct
Pos 9thAll 53thClass Pos 9thClass All 56th
19 reps
Bench
Strong · 82th pct
Pos 82thAll 38thClass Pos 76thClass All 34th
Postseason Career
7 playoff gamesDefense
Tkl26Solo22Ast4TFL2QBHits2Sk1.5Dis5.5Int2PD4FF2FR3
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
Willis McGaheeRB4yBart ScottILB4yBrian MoormanP4yJamaal WestermanLB4yRian LindellK3yKyle WilliamsDT3yCalvin PaceOLB3yDavid HarrisOLB3yDonte WhitnerS3yDarrelle RevisDB3yChris KelsayDE3yBryan ThomasOLB3yAaron SchobelDE3yJustin BannanDT3yLee EvansWR3yJosh ReedWR3yJabari GreerCB3yTerrence McGeeCB3yRyan DenneyDE3yMike DeVitoDE3ySione Po'uhaNT3yShonn GreeneRB3yMark SanchezQB3yEric SmithFS3y
Franchise Succession
the room, before and afterJim inherited the Buffalo Bills DB room from Jabari Greer (2004–2008), and handed it to Donte Whitner (2006–2010).
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Movementderived from season history
- 2014team change
Joined CLE (from BUF)
- 2014final season
Last recorded season with CLE
- 2013team change
Joined BUF (from DEN)
- 2012team change
Joined DEN (from NYJ)
- 2009team change
Joined NYJ (from BAL)
- 2008team change
Joined BAL (from BUF)
- 2005signing
Entered the NFL with BUF
Athletic & Unique Profile
verified measurements and curated source-tagged facts5'8" / 188 lb
Frame
191 lb at 4.63s
Size-speed
19 reps
Bench power
Injury History
1 career game missed (Out)From nflverse weekly injury reports · coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2014 | CLE | 0 | W8Questionable· Ankle |
| 2010 | NYJ | 1 | W13Out· Calf / Shin |
| 2009 | NYJ | 0 | W11Questionable· Thumb |
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 →
57
peak 55
Season Report Cards· KV-H era-normalized per season
B2007
C+2008
C+2009
C+2010
C+2011
B2012
A2013
B2014
Availability
Career durability — games played vs. scheduled, across 10 seasons.
84%
Era Translator
INT 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 INT | INT/G | → 2025 INT | → 2025 /G |
|---|---|---|---|---|
| 2007 | 2 | 0.2 | 2 | 0.1 |
| 2008 | 1 | 0.1 | 0-1 | 0 |
| 2009 | 1 | 0.1 | 0-1 | 0 |
| 2010 | 1 | 0.1 | 1 | 0 |
| 2011 | 1 | 0.1 | 0-1 | 0 |
| 2012 | 2 | 0.2 | 2 | 0.1 |
| 2013 | 4 | 0.4 | 5+1 | 0.3 |
| 2014 | 2 | 0.2 | 2 | 0.1 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:combine, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 6/18/2026
Career Value · VORP
85 career value over replacement — #1357 all-time of 4,642. 10.6/season above a replacement-level S.
Fan Rating
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