Usage Score
1.6
Player Dossier
2020-2022Oregon
JJ Greenfield
DB • 6'1" • 178 lbs • Los Angeles, CA, USA
Ball-hunting defenderSplash play profile
JJ Greenfield shows a ball-hunting defender profile with 8.3 disruption score.
Efficiency
8.3
Consistency
100
Season Value
36.7
Career Arc
Value trend by season
Best season by value score: 2022 Regular Season · Oregon
202122
Snapshot
- Career Teams
- 1
- Seasons Tracked
- 3
- Program Path
- Oregon
- Peak Game
- Peak game by takeover score: Colorado
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.
JJ Greenfield, DB. Best season Best season by value score: 2022 Regular Season · Oregon. JJ Greenfield shows a ball-hunting defender profile with 8.3 disruption score.
JJ Greenfield played DB for Oregon. Across 3 tracked seasons, JJ Greenfield recorded 15 tackles. His top tracked season came in 2022 with Oregon.
Player insights
Lead takeaway
Best season by value score: 2022 Regular Season
Oregon paired 0 primary output with 8.3 efficiency.
Supporting note
2022 Regular Season role shape
impact-led usage with 8.3 efficiency.
Supporting note
Career value is trending up
2022 Regular Season improved on the prior stop by season value score.
Supporting note
Peak game by takeover score: Colorado
Win with 0 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.
2022 Regular Season · Oregon
Games
6
Havoc Plays / G
0
Efficiency
8.3
Usage
1.6
Consistency
100
Best Game by takeover score
Utah
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Active game
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Game-by-Game Trend
Follow how the selected stat changes from one game to the next. Spikes mark standout outings, while dips show quieter weeks.
Chronological game order.
Game by game trend chart. Unknown: 0. BYU: 0. Stanford: 0. Arizona: 0. Colorado: 0. Utah: 0
Volume vs Efficiency
Each dot is a game. Farther right means the player carried more of the workload, and higher means they were more efficient with those chances.
Low volumeHigh quality
High volumeHigh quality
Low volumeLower quality
High volumeLower quality
Volume on the x-axis, quality on the y-axis.
Volume versus efficiency scatter chart. Unknown: 2 by 8.3. BYU: 2 by 8.3. Stanford: 3 by 12.5. Arizona: 1 by 4.2. Colorado: 3 by 12.5. Utah: 1 by 4.2
Split Comparison
Compare how this player performed across different situations. "Games" shows how many matchups are included in each split.
Wins0 · Games = 5
First Half0 · Games = 3 · +0 vs Second Half
Second Half0 · Games = 3 · +0 vs First Half
All Games0 · Games = 6
Game Log
Dense stat lines with inline explanations and season-linked highlights.
6 games
Featured metric
Havoc Plays
Top game by takeover score
Colorado
Best efficiency game
12.5 vs Colorado
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
Oregon
2020-2022
Opening stop
Season Progression
202020212022
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2020 Regular Season | Oregon | 0 | 6.3 | 0.9 | — |
| 2021 Regular Season | Oregon | 0 | — | — | 0 |
| 2022 Regular Season | Oregon | 0 | 8.3 | 1.6 | 0 |
Signature Performances
Top Games
#1 Featured game
Colorado
Win with 0 impact plays across the defensive snap sheet.
0
Primary metric
0 disruption/tackle impact with 5 takeover score.
#2
Stanford
0
Primary metric
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 4.8 takeover score.
#3
Unknown
0
Primary metric
Game with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 3.5 takeover score.
#4
BYU
0
Primary metric
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 3.3 takeover score.
#5
UCLA
0
Primary metric
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 3.1 takeover score.
Top Seasons
#1 Season by value score
2022 Regular Season · Oregon
0 primary output · 8.3 efficiency · 1.6 usage
36.7
#2
2020 Regular Season · Oregon
35.7
0 primary · 6.3 efficiency · 0.9 usage
#3
2021 Regular Season · Oregon
—
0 primary · — efficiency · — usage
Milestones
0
Impact games
0
Splash games
0
10+ tackle games
Bio, Recruit, and Data Context
Recruit Profile
3★
Class 2025 · Rating 0.81
Marquette Senior · Marquette, MI
- Committed To
- Central Michigan
- Commit Date
- Jan 1, 2025
Career Facts
1
Career teams
3
Seasons tracked
15
Career Tackles
Data Context
Coverage spans 3 tracked seasons, 8 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.