Robert Nkemdiche
Solid Contributor⭐ Shooting Star · 2018
Height6'3"
Weight296 lb
BornSep 19, 1994
Age31
CollegeMississippiSee College Stats
ConferenceSoutheastern
Rookie yr2016
Draft2016 · Rd 1, Pick 29 · ARI
A edge rusher with a developmental — a rotational or backup contributor who filled their role reliably.
Career Value · VORP
VORP 22 · #3026 · Role PlayerWorth 22 points of value above a freely-available replacement interior lineman — top 66% of all 4,642 ranked at the position. 1 of 3 seasons cleared the replacement bar, by +22 on average.See board →
Seasons above replacement
1 cleared
2 replaced
Beat replacement (adds to VORP) Below it — adds 0, never a debit
47
Replacement
the KC-H bar
→
1
Seasons over
cleared the bar
×
+22
Avg surplus
peak +22
1 seasons × ~22 surplus ≈ VORP 22
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at once—no tab hopping.
3 grids split in one view
| Season | Age | Team | G | GS | Defense | Snap Counts | Advanced Defense & Coverage (2018+) | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | Off | Off% | Def | Def% | ST | ST% | Tgt | Cmp | Cmp% | RateAll | ADOT | Prss | Hrry | QBKD | Bltz | MissTkl | Miss% | |||||
| 2016 | — | ARI | 3 | — | 1 | 0 | 1 | 0 | 1 | 0.0 | 1.0 | 0 | 1 | 0 | — | 0 | 0 | — | 0.0% | 82 | 22.6% | 6 | 23.0% | — | — | — | — | — | — | — | — | — | — | — |
| 2017 | — | ARI | 9 | — | 11 | 4 | 7 | 1 | 2 | 0.0 | 3.0 | 0 | 0 | 1 | 1 | 1 | 0 | — | 0.0% | 253 | 32.1% | 8 | 8.0% | — | — | — | — | — | — | — | — | — | — | — |
| 2018 | — | ARI | 9 | — | 31 | 21 | 10 | 9 | 7 | 4.5 | 20.5 | 0 | 1 | 1 | — | 0 | 0 | — | 0.0% | 426 | 60.9% | 18 | 19.8% | 0 | 0 | — | — | — | 11 | 2 | 4 | 0 | 2 | 0.1 |
| 2019 | — | MIA | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 0.0% | 16 | 11.0% | 11 | 22.0% | — | — | — | — | — | — | — | — | — | — | — |
| 2021 | — | SEA | 9 | — | 12 | 4 | 8 | 0 | 1 | 0.0 | 1.0 | 0 | 1 | 0 | — | 0 | 0 | — | 0.0% | 230 | 33.7% | 19 | 12.8% | 0 | 0 | — | — | — | 6 | 5 | 1 | 0 | 3 | 0.2 |
| Career | — | 32 | — | 55 | 29 | 26 | 10 | 11 | 4.5 | 25.5 | 0 | 3 | 2 | 1 | 1 | 0 | — | 0.0% | 1,007 | 32.0% | 62 | 17.1% | 0 | 0 | — | — | — | 17 | 7 | 5 | 0 | 5 | — | |
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 22 | ARI | 3 | 0* | 1 | 0 | 1 | 0 | 1 | 0.0 | 1.0 | 0 | 1 | 0 | — | 0 | 0 | — |
| 2017 | 23 | ARI | 9 | 0* | 11 | 4 | 7 | 1 | 2 | 0.0 | 3.0 | 0 | 0 | 1 | 1 | 1 | 0 | 4.7 |
| 2018 | 24 | ARI | 9 | 6* | 31 | 21 | 10 | 9 | 7 | 4.5 | 20.5 | 0 | 1 | 1 | — | 0 | 0 | 9.3 |
| 2021 | 27 | SEA | 9 | 0* | 12 | 4 | 8 | 0 | 1 | 0.0 | 1.0 | 0 | 1 | 0 | — | 0 | 0 | 2.7 |
| Career | 30 | 6* | 55 | 29 | 26 | 10 | 11 | — | — | 0 | 3 | 2 | 1 | 1 | 0 | 16.7 |
* 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% |
|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 22 | ARI | 5 | 0* | — | 0.0% | 82 | 22.6% | 6 | 23.0% |
| 2017 | 23 | ARI | 12 | 0* | — | 0.0% | 253 | 32.1% | 8 | 8.0% |
| 2018 | 24 | ARI | 10 | 6* | — | 0.0% | 426 | 60.9% | 18 | 19.8% |
| 2019 | 25 | MIA | 2 | — | — | 0.0% | 16 | 11.0% | 11 | 22.0% |
| 2021 | 27 | SEA | 9 | 0* | — | 0.0% | 230 | 33.7% | 19 | 12.8% |
| Career | 38 | 6* | — | — | 1,007 | — | 62 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
Advanced Defense & Coverage (2018+)
| Season | Age | Team | G | GS | Tgt | Cmp | Cmp% | RateAll | ADOT | Prss | Hrry | QBKD | Bltz | MissTkl | Miss% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 24 | ARI | 10 | 6* | 0 | 0 | — | — | — | 11 | 2 | 4 | 0 | 2 | 0.1 |
| 2021 | 27 | SEA | 9 | 0* | 0 | 0 | — | — | — | 6 | 5 | 1 | 0 | 3 | 0.2 |
| Career | 19 | 6* | 0 | 0 | — | — | — | 17 | 7 | 5 | 0 | 5 | — |
* GS not available from free sources — SG* estimated from snap share (nflverse 2012+)
KV-H Anatomy
KV-H 43 · SolidA solid career by KV-H: a remarkably steady profile that scores 43 of 100, era-normalized against sacks/g peers across 3 scored seasons, with a short career trimming the score.
50
Sustained
career value
×.6
50
Peak
best 3 seasons
×.4
×0.86
Longevity
career length
Blend 50 × longevity 0.86 = KV-H 43· confidence 100%
What builds the career mark of 50
On-field 39
Availability 11
On-field production Staying available
Season-by-season quality (era-relative sacks/g)
2017bestavg 502021
All-Time Standing
how this career measures against the all-time greats at the position2
Depth
of 100
Reached 2% of the all-time Sacks leader — a rotational/depth all-time profile at the position.
2% of the all-time Sacks leader2
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%.
Per-Snap Impact
Interior D-Line · proprietary · 2012+55
Above average
SIS
Disruption/1003.078Snap share37.3%Def snaps991VolatileCV 0.75
Production per snap — the box score normalized by opportunity. SIS is z-scored within interior d-line, 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 linemen aging curve. Group peak age: 25. Source: StatVault KV-H era (1999+).
Combine · 2016
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
4.87s
40-Yard
Strong · 88th pct
Pos 88thAll 29thClass Pos 97thClass All 33th
35"
Vertical
Elite · 96th pct
Pos 96thAll 64thClass Pos 97thClass All 73th
116"
Broad Jump
Elite · 94th pct
Pos 94thAll 46thClass Pos 89thClass All 49th
28 reps
Bench
Above avg · 56th pct
Pos 56thAll 87thClass Pos 57thClass All 88th
College stats are not imported for this profile yet.
StatVault has the verified college attribution (Mississippi), 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
Larry FitzgeraldWR3yPatrick PetersonCB3yChandler JonesDE3yCorey PetersDE3yJermaine GreshamTE3yMarkus GoldenLB3yD.J. HumphriesOT3yDavid JohnsonRB3yDeone BucannonOLB3yMike IupatiG3yRodney GunterDE3yJ.J. NelsonWR3yEvan BoehmG3yJohn WetzelG3yAndy LeeP2yPhil DawsonK2yAntoine BetheaFS2yAdrian PetersonRB2yCarson PalmerQB2yTyrann MathieuFS2yFrostee RuckerDE2yBenson MayowaOLB2yHaason ReddickOLB2yBudda BakerS2y
2016 Draft Class· this player went #29
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0–100%).
Movementderived from season history
- 2021team change
Joined SEA (from MIA)
- 2021final season
Last recorded season with SEA
- 2019team change
Joined MIA (from ARI)
- 2016draft
Drafted by ARI — Round 1, Pick 29
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'3" / 296 lb
Frame
294 lb at 4.87s
Size-speed
35" vert / 116" broad
Explosion
28 reps
Bench power
Injury History
3 career games missed (Out)From nflverse weekly injury reports · coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2018 | ARI | 1 | W1Questionable· FootW4Questionable· KneeW5Questionable· FootW6Questionable· FootW10Out· CalfW11Questionable· CalfW12Questionable· Calf |
| 2017 | ARI | 2 | W1Questionable· CalfW2Questionable· CalfW4Out· CalfW5Out· CalfW6Questionable· CalfW7Questionable· Calf |
| 2016 | ARI | 0 | W2Questionable· AnkleW3Questionable· AnkleW14Questionable· ElbowW17Questionable· Ankle |
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 3-season peers. See all →
43
peak 50
Season Report Cards· KV-H era-normalized per season
C2017
B2018
C2021
Availability
Career durability — games played vs. scheduled, across 5 seasons.
51%
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 |
|---|---|---|---|---|
| 2017 | 0 | 0 | 0 | 0 |
| 2018 | 4.5 | 0.5 | 8+3.5 | 0.5 |
| 2021 | 0 | 0 | 0 | 0 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:combine, nflverse:draft_picks, nflverse:injuries · multi-source verified via the StatVault Oracle · updated 6/18/2026
Career Value · VORP
22 career value over replacement — #3026 all-time of 4,642. 7.3/season above a replacement-level DL.
Draft OutcomeMiss ↓
Pick #29 (Rd 1) · ARI · 2016 · -11.9 vs expected KV-H
43actual
54.9 expected · Δ−11.9
Fan Rating
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