Usage Score
2.3
Player Dossier
2016-2019Iowa State
Jamahl Johnson
DL • 6'0" • 300 lbs • Savage, MN, USA
Ball-hunting defenderSplash play profile
Jamahl Johnson shows a ball-hunting defender profile with 9.5 disruption score.
Efficiency
9.5
Consistency
10.3
Season Value
10.5
Career Arc
Value trend by season
Best season by value score: 2016 Regular Season · Iowa State
161718181919
Snapshot
- Career Teams
- 1
- Seasons Tracked
- 6
- Program Path
- Iowa State
- Peak Game
- Peak game by takeover score: Oklahoma
Scouting Read
Best season and peak-game context are pinned here so the rest of the page can stay analytical without losing the headline story.
Jamahl Johnson, DL. Best season Best season by value score: 2016 Regular Season · Iowa State. Jamahl Johnson shows a ball-hunting defender profile with 9.5 disruption score.
Player insights
Lead takeaway
Best season by value score: 2016 Regular Season
Iowa State paired 0 primary output with 2.1 efficiency.
Supporting note
2019 Postseason role shape
impact-led usage with 9.5 efficiency.
Supporting note
Career value stayed steady
2019 Regular Season tracked close to the prior stop by season value score.
Supporting note
Peak game by takeover score: West Virginia
Win with 1 impact plays across the defensive snap sheet. It landed in the 100th percentile of the selected season.
Analysis workspace
Season Workbench
Filter the strongest season sample, inspect game-level shape, and then drop into the full log without losing the story of the year.
Season Explorer
Understand the selected season before dropping into the full game log.
2019 Postseason · Iowa State
Games
13
Havoc Plays / G
0.3
Efficiency
9.5
Usage
2.3
Consistency
10.3
Best Game by takeover score
Notre Dame
Hover a point or expand a game row to keep the active game context visible here.
Game-by-Game Trend
12345678910111213
Chronological game order.
Game by game trend chart. Notre Dame: 0. Unknown: 0. Iowa: 0. UL Monroe: 0. Baylor: 0. TCU: 0. West Virginia: 1. Texas Tech: 0. Oklahoma State: 1. Oklahoma: 1. Texas: 1. Kansas: 0. Kansas State: 0
Volume vs Efficiency
Low volume / high quality
High volume / high quality
Low volume / lower quality
High volume / lower quality
Volume on the x-axis, quality on the y-axis.
Volume versus efficiency scatter chart. Notre Dame: 1 by 4.2. Unknown: 2 by 8.3. Iowa: 2 by 8.3. UL Monroe: 1 by 4.2. Baylor: 1 by 4.2. TCU: 0 by 0. West Virginia: 3 by 22.5. Texas Tech: 1 by 4.2. Oklahoma State: 2 by 18.3. Oklahoma: 3 by 22.5. Texas: 2 by 18.3. Kansas: 0 by 0. Kansas State: 2 by 8.3
Split Comparison
Wins0.3 · n=6 · +0 vs Losses
Losses0.3 · n=6 · +0 vs Wins
First Half0.1 · n=7 · -0.4 vs Second Half
Second Half0.5 · n=6 · +0.4 vs First Half
Game Log
Dense stat lines with inline explanations and season-linked highlights.
13 games
Featured metric
Havoc Plays
Top game by takeover score
West Virginia
Best efficiency game
22.5 vs Oklahoma
| Result | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sat 12/28 | vs Notre Dame | L 9-33 | 1 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sun 12/1 | @ Kansas State | L 17-27 | 2 | 2 | — | 0 | 0 | — | 0 | — | — |
| Sat 11/23 | vs Kansas | W 41-31 | 0 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 11/16 | vs Texas | W 23-21 | 2 | 0 | — | 0 | 0 | — | 1 | — | — |
| Sun 11/10 | @ Oklahoma | L 41-42 | 3 | 2 | — | 1 | 0 | — | 0 | — | — |
| Sat 10/26 | vs Oklahoma State | L 27-34 | 2 | 1 | — | 1 | 0 | — | 0 | — | — |
| Sat 10/19 | @ Texas Tech | W 34-24 | 1 | 1 | — | 0 | 0 | — | 0 | — | — |
| Sat 10/12 | @ West Virginia | W 38-14 | 3 | 1 | — | 1 | 0 | — | 0 | — | — |
| Sat 10/5 | vs TCU | W 49-24 | 0 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 9/28 | @ Baylor | L 21-23 | 1 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 9/21 | vs UL Monroe | W 72-20 | 1 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 9/14 | vs Iowa | L 17-18 | 2 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 8/31 | vs Unknown | — | 2 | 1 | — | 0 | 0 | — | 0 | — | — |
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
Iowa State
2016-2019
Opening stop
Season Progression
201620172018201820192019
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2016 Regular Season | Iowa State | 0 | 2.1 | 0.4 | — |
| 2017 Regular Season | Iowa State | 0.5 | 5.8 | 1.8 | 0.5 |
| 2018 Postseason | Iowa State | 5 | 11.6 | 4.9 | 4.5 |
| 2018 Regular Season | Iowa State | 5 | 11.6 | 4.9 | 0 |
| 2019 Postseason | Iowa State | 4 | 9.5 | 2.3 | -1 |
| 2019 Regular Season | Iowa State | 4 | 9.5 | 2.3 | 0 |
Signature Performances
Top Games
#1 Featured game
Oklahoma
Loss with 2 impact plays across the defensive snap sheet.
2
Primary metric
2 disruption/tackle impact with 45.8 takeover score.
#2
West Virginia
1
Primary metric
Win with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 43.1 takeover score.
#3
Oklahoma
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 43 takeover score.
#4
Oklahoma State
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 42.3 takeover score.
#5
Texas
1
Primary metric
Win with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 39.9 takeover score.
Top Seasons
#1 Season by value score
2016 Regular Season · Iowa State
0 primary output · 2.1 efficiency · 0.4 usage
34.2
#2
2018 Postseason · Iowa State
14.1
5 primary · 11.6 efficiency · 4.9 usage
#3
2018 Regular Season · Iowa State
14.1
5 primary · 11.6 efficiency · 4.9 usage
Milestones
0
Impact games
0
Splash games
0
10+ tackle games
Bio, Recruit, and Data Context
Recruit Profile
3★
Class 2016 · Rating 0.8169
Prior Lake · Prior Lake, MN
- Committed To
- Iowa State
- Commit Date
- Jan 1, 2016
Career Facts
1
Career teams
6
Seasons tracked
37
Career Tackles
Data Context
Coverage spans 6 tracked seasons, 27 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.