Isaiah Simmons is a career quality starter β a defensive back whose body of work places Simmons in the top half of all players at the position historically. The Knox model values sustained contribution over flash, and Simmons's career arc reflects exactly that kind of reliable professional-grade performance.
Isaiah Simmons
Top 33% all-time defensive backsReliable Starter
Height6'4"
Weight238 lb
BornJul 26, 1998
Age27
CollegeClemsonSee College Stats
ConferenceAtlantic Coast
Rookie yr2020
Draft2020 Β· Rd 1, Pick 8 Β· ARI
A defensive back 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 43 Β· #2248 Β· Above AverageWorth 43 points of value above a freely-available replacement safety β top 49% of all 4,642 ranked at the position. 4 of 5 seasons cleared the replacement bar, by +10.8 on average.See board β
Seasons above replacement
4 cleared
Beat replacement (adds to VORP) Below it β adds 0, never a debit
48
Replacement
the KC-H bar
β
4
Seasons over
cleared the bar
Γ
+10.8
Avg surplus
peak +16
4 seasons Γ ~10.8 surplus β VORP 43
Combined Season Grid
The full season-by-season grids, joined on one timeline. Every selected stat family stays visible at onceβno 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% | |||||
| 2020 | β | ARI | 14 | β | 43 | 34 | 9 | 4 | 3 | 2.0 | 9.0 | 1 | 2 | 1 | 1 | 0 | 0 | β | 0.0% | 376 | 34.5% | 112 | 25.6% | 25 | 16 | 0.6 | 102.0 | 6.6 | 5 | 2 | 1 | 44 | 5 | 0.1 |
| 2021 | β | ARI | 17 | β | 97 | 63 | 34 | 4 | 4 | 1.5 | 9.5 | 1 | 7 | 4 | β | 0 | 0 | β | 0.0% | 1,005 | 92.5% | 81 | 19.4% | 71 | 49 | 0.7 | 90.9 | 5.8 | 6 | 2 | 2 | 59 | 11 | 0.1 |
| 2022 | β | ARI | 17 | β | 94 | 63 | 31 | 5 | 4 | 4.0 | 13.0 | 2 | 7 | 2 | 1 | 1 | 0 | β | 0.0% | 896 | 79.9% | β | 0.0% | 70 | 54 | 0.8 | 104.3 | 5.1 | 6 | 2 | 0 | 39 | 5 | 0.0 |
| 2023 | β | NYG | 15 | β | 41 | 25 | 16 | 2 | 1 | 1.0 | 4.0 | 1 | 3 | 0 | β | 1 | 0 | β | 0.0% | 377 | 34.2% | 224 | 49.6% | 27 | 22 | 0.8 | 81.9 | 1.9 | 5 | 4 | 0 | 54 | 8 | 0.1 |
| 2024 | β | NYG | 9 | β | 16 | 9 | 7 | 0 | 1 | 0.0 | 1.0 | 0 | 2 | 1 | β | 0 | 0 | β | 0.0% | 181 | 23.8% | 146 | 33.4% | 15 | 13 | 0.9 | 144.9 | 3.5 | 3 | 2 | 1 | 16 | 3 | 0.1 |
| 2025 | β | CAR | 2 | β | 2 | 1 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | β | 0 | 0 | β | 0.0% | 1 | 1.0% | 87 | 74.4% | β | β | β | β | β | β | β | β | β | β | β |
| Career | β | 74 | β | 293 | 195 | 98 | 15 | 13 | 8.5 | 36.5 | 5 | 21 | 8 | 2 | 2 | 0 | β | 0.0% | 2,836 | 44.3% | 650 | 40.5% | 208 | 154 | β | β | β | 25 | 12 | 4 | 212 | 32 | β | |
Defense
| Season | Age | Team | G | GS | Tkl | Solo | Ast | TFL | QBHits | Sk | Dis | Int | PD | FF | FR | TD | Sfty | VAL |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 22 | ARI | 14 | β | 43 | 34 | 9 | 4 | 3 | 2.0 | 9.0 | 1 | 2 | 1 | 1 | 0 | 0 | 5.7 |
| 2021 | 23 | ARI | 17 | β | 97 | 63 | 34 | 4 | 4 | 1.5 | 9.5 | 1 | 7 | 4 | β | 0 | 0 | 10 |
| 2022 | 24 | ARI | 17 | β | 94 | 63 | 31 | 5 | 4 | 4.0 | 13.0 | 2 | 7 | 2 | 1 | 1 | 0 | 9.8 |
| 2023 | 25 | NYG | 15 | β | 41 | 25 | 16 | 2 | 1 | 1.0 | 4.0 | 1 | 3 | 0 | β | 1 | 0 | 6.1 |
| 2024 | 26 | NYG | 9 | β | 16 | 9 | 7 | 0 | 1 | 0.0 | 1.0 | 0 | 2 | 1 | β | 0 | 0 | 2.6 |
| 2025 | 27 | CAR | 2 | β | 2 | 1 | 1 | 0 | 0 | 0.0 | 0.0 | 0 | 0 | 0 | β | 0 | 0 | β |
| Career | 74 | 293 | 195 | 98 | 15 | 13 | β | β | 5 | 21 | 8 | 2 | 2 | 0 | 34.2 |
Snap Counts
Advanced Defense & Coverage (2018+)
KV-H Anatomy
KV-H 58 Β· Strong StarterA strong starter career by KV-H: a well-rounded profile that scores 58 of 100, era-normalized against int/g peers across 5 scored seasons.
57
Sustained
career value
Γ.6
60
Peak
best 3 seasons
Γ.4
Γ1
Longevity
career length
Blend 58.2 Γ longevity 1 = KV-H 58Β· confidence 100%
What builds the career mark of 57
On-field 39.1
Availability 17.9
On-field production Staying available
Season-by-season quality (era-relative int/g)
2020bestavg 552024
All-Time Standing
how this career measures against the all-time greats at the position4
Depth
of 100
Reached 4% of the all-time Sacks leader β a rotational/depth all-time profile at the position.
4% of the all-time Sacks leader4
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: 86%.
Per-Snap Impact
Defensive Backs Β· proprietary Β· 2012+80
Excellent
SIS
Disruption/1002.486Snap share44.3%Def snaps2,836Elite Β· ConsistentCV 0.20
Production per snap β 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 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+).
Combine Β· 2020
Percentiles compare each raw measurement against position peers, the full combine pool, and the same draft class where enough samples exist.
4.39s
40-Yard
39"
Vertical
132"
Broad Jump
Postseason Career
2 playoff gamesDefense
Tkl3Solo2Ast1
College Defense
Reference Graph
Career teammates and draft class, derived from year-by-year rosters β every name is linked.
Top Teammates
Justin PughG4yAndy LeeP3yDeAndre HopkinsWR3yKelvin BeachumOT3yBudda BakerS3yMarkus GoldenLB3yMax GarciaG3yDevon KennardOLB3yD.J. HumphriesOT3yByron MurphyCB3yJalen ThompsonDB3yZach AllenDE3yChris BanjoDB3yDennis GardeckLB3yKyler MurrayQB3yTanner VallejoILB3yMaxx WilliamsTE3yLeki FotuDT3yEzekiel TurnerLB3yCharles WashingtonDB3yJonathan WardRB3yAndy IsabellaWR3yDeionte ThompsonSAF3yCarlos BashamLB3y
2020 Draft ClassΒ· this player went #8
Franchise Succession
the room, before and afterIsaiah inherited the Arizona Cardinals DB room from Jalen Thompson (2019β2025), and handed it to Marco Wilson (2021β2023).
Similar Players
Statistical + physical similarity across every player in the database, position-relevant (0β100%).
Movementderived from season history
- 2025team change
Joined CAR (from NYG)
- 2025final season
Last recorded season with CAR
- 2023team change
Joined NYG (from ARI)
- 2020draft
Drafted by ARI β Round 1, Pick 8
Athletic & Unique Profile
verified measurements and curated source-tagged facts6'4" / 238 lb
Frame
238 lb at 4.39s
Size-speed
39" vert / 132" broad
Explosion
Injury History
From nflverse weekly injury reports Β· coverage begins 2009.
| Season | Team | Games Out | Designations |
|---|---|---|---|
| 2023 | NYG | 0 | W14QuestionableΒ· Ankle |
| 2020 | ARI | 0 | W14QuestionableΒ· Neck / Back |
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 5-season peers. See all β
58
peak 60
Season Report CardsΒ· KV-H era-normalized per season
C+2020
C+2021
B2022
C+2023
C2024
Availability
Career durability β games played vs. scheduled, across 6 seasons.
88%
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 |
|---|---|---|---|---|
| 2020 | 1 | 0.1 | 1 | 0.1 |
| 2021 | 1 | 0.1 | 1 | 0.1 |
| 2022 | 2 | 0.1 | 2 | 0.1 |
| 2023 | 1 | 0.1 | 1 | 0.1 |
| 2024 | 0 | 0 | 0 | 0 |
Data: nflverse:players, nflverse:player_stats_def, nflverse:snap_counts, nflverse:combine, nflverse:draft_picks, nflverse:injuries, wikipedia:college-stats (CC-BY-SA, facts-only) Β· multi-source verified via the StatVault Oracle Β· updated 6/18/2026
Career Value Β· VORP
43 career value over replacement β #2248 all-time of 4,642. 8.6/season above a replacement-level S.
Draft OutcomeMiss β
Pick #8 (Rd 1) Β· ARI Β· 2020 Β· -2.4 vs expected KV-H
58actual
60.4 expected Β· Ξβ2.4
Fan Rating
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