Usage Score
1.8
Player Dossier
2014-2018Miami (OH)
Mack Duffin
DL • 6'2" • 290 lbs • Avon, IN, USA
Ball-hunting defenderSplash play profile
Mack Duffin shows a ball-hunting defender profile with 9.9 disruption score.
Efficiency
9.9
Consistency
100
Season Value
37.2
Career Arc
Value trend by season
Best season by value score: 2018 Regular Season · Miami (OH)
1415161718
Snapshot
- Career Teams
- 1
- Seasons Tracked
- 5
- Program Path
- Miami (OH)
- Peak Game
- Peak game by takeover score: Cincinnati
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.
Mack Duffin, DL. Best season Best season by value score: 2018 Regular Season · Miami (OH). Mack Duffin shows a ball-hunting defender profile with 9.9 disruption score.
Player insights
Lead takeaway
Best season by value score: 2018 Regular Season
Miami (OH) paired 0 primary output with 9.9 efficiency.
Supporting note
2018 Regular Season role shape
impact-led usage with 9.9 efficiency.
Supporting note
Career value stayed steady
2018 Regular Season tracked close to the prior stop by season value score.
Supporting note
Peak game by takeover score: Northern Illinois
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.
2018 Regular Season · Miami (OH)
Games
8
Havoc Plays / G
0
Efficiency
9.9
Usage
1.8
Consistency
100
Best Game by takeover score
Ball State
Hover a point or expand a game row to keep the active game context visible here.
Game-by-Game Trend
12345678
Chronological game order.
Game by game trend chart. Marshall: 0. Cincinnati: 0. Minnesota: 0. Bowling Green: 0. Akron: 0. Army: 0. Northern Illinois: 0. Ball 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. Marshall: 2 by 8.3. Cincinnati: 1 by 4.2. Minnesota: 1 by 4.2. Bowling Green: 2 by 8.3. Akron: 1 by 4.2. Army: 4 by 16.7. Northern Illinois: 5 by 20.8. Ball State: 3 by 12.5
Split Comparison
Wins0 · n=4 · +0 vs Losses
Losses0 · n=4 · +0 vs Wins
First Half0 · n=4 · +0 vs Second Half
Second Half0 · n=4 · +0 vs First Half
Game Log
Dense stat lines with inline explanations and season-linked highlights.
8 games
Featured metric
Havoc Plays
Top game by takeover score
Northern Illinois
Best efficiency game
20.8 vs Northern Illinois
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
Miami (OH)
2014-2018
Opening stop
Season Progression
20142015201620172018
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2014 Regular Season | Miami (OH) | 0 | — | — | — |
| 2015 Regular Season | Miami (OH) | 0 | — | — | 0 |
| 2016 Regular Season | Miami (OH) | 1.5 | 10 | 3.2 | 1.5 |
| 2017 Regular Season | Miami (OH) | 0 | 7 | 1.1 | -1.5 |
| 2018 Regular Season | Miami (OH) | 0 | 9.9 | 1.8 | 0 |
Signature Performances
Top Games
#1 Featured game
Cincinnati
Loss with 1 impact plays across the defensive snap sheet.
1
Primary metric
1 disruption/tackle impact with 40.6 takeover score.
#2
Ohio
0.5
Primary metric
Loss with 0.5 impact plays across the defensive snap sheet.
0.5 disruption/tackle impact with 20.5 takeover score.
#3
Northern Illinois
0
Primary metric
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 8.4 takeover score.
#4
Army
0
Primary metric
Loss with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 6.2 takeover score.
#5
Ball State
0
Primary metric
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 5.1 takeover score.
Top Seasons
#1 Season by value score
2018 Regular Season · Miami (OH)
0 primary output · 9.9 efficiency · 1.8 usage
37.2
#2
2017 Regular Season · Miami (OH)
36
0 primary · 7 efficiency · 1.1 usage
#3
2016 Regular Season · Miami (OH)
14.9
1.5 primary · 10 efficiency · 3.2 usage
Milestones
0
Impact games
0
Splash games
0
10+ tackle games
Bio, Recruit, and Data Context
Recruit Profile
2★
Class 2014 · Rating 0.7383
Avon · Avon, IN
- Committed To
- Miami (OH)
- Commit Date
- Jan 1, 2014
Career Facts
1
Career teams
5
Seasons tracked
35
Career Tackles
Data Context
Coverage spans 5 tracked seasons, 18 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.