Usage / Role
12%
Rotational defensive role
Player Dossier
2014-2018Miami (OH)
DL • 6'2" • 290 lbs • Avon, IN, USA
Mack Duffin shows a ball-hunting defender profile with 9.9 disruption score.
Usage / Role
12%
Rotational defensive role
Impact Production
17
Developing production for a defensive lineman
Reliability
13
Sporadic game-to-game production
Star Power
26
Limited ceiling signals so far
Career Arc
Value trend by season
Best season by Season Value: 2016 Regular Season · Miami (OH)
Snapshot
Player Story
Mack Duffin built his college career from 2014 through 2018 as a defensive lineman from Avon, IN wearing No. 94, spending time with Miami (OH). The clearest part of Mack Duffin's career was his defensive production:...
Read the storyMack Duffin, DL. Best season Best season by Season Value: 2016 Regular Season · Miami (OH). Mack Duffin shows a ball-hunting defender profile with 9.9 disruption score.
Stat Footprint
Quick Answers
Season Ledger
| Season | Team | Games | Tackles | TFL | Sacks | QB Hur | PD | TD | Overall |
|---|---|---|---|---|---|---|---|---|---|
| 2014 Regular Season | Miami (OH) | 0 | 0 | - | 0 | - | - | 0 | - |
| 2015 Regular Season | Miami (OH) | 0 | 0 | - | 0 | - | - | 0 | - |
| 2016 Regular Season | Miami (OH) | 4 | 6 | 1 | 0.5 | - | - | 0 | 43.6 |
| 2017 Regular Season | Miami (OH) | 6 | 10 | - | 0 | - | - | 0 | 38.8 |
| 2018 Regular Season | Miami (OH) | 8 | 19 | - | 0 | - | - | 0 | 41.5 |
Related Context
Mack Duffin played DL for Miami (OH). Across 5 tracked seasons, Mack Duffin recorded 35 tackles. His top tracked season came in 2018 with Miami (OH).
Lead takeaway
Best season by value score: 2016 Regular Season
Miami (OH) paired 1.5 primary output with 10 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
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Understand the selected season before dropping into the full game log.
Games
8
Havoc Plays / G
0
Efficiency
9.9
Usage
1.8
Consistency
100
Best Game by takeover score
Northern Illinois
Active game
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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. Marshall: 0. Cincinnati: 0. Minnesota: 0. Bowling Green: 0. Akron: 0. Army: 0. Northern Illinois: 0. Ball State: 0
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.
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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
Compare how this player performed across different situations. "Games" shows how many matchups are included in each split.
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
Player Story
Mack Duffin built his college career from 2014 through 2018 as a defensive lineman from Avon, IN wearing No. 94, spending time with Miami (OH). The clearest part of Mack Duffin's career was his defensive production: 35 tackles, 1 tackle for loss, and 0.5 sacks across 18 career games in the available record. That gives Mack Duffin's career enough real context without stretching the story beyond the available production.
Track team changes, role shifts, and season-to-season movement.
Miami (OH)
2014-2018
Opening stop
Season Value Progression
| 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 | 3.1 | 1.5 |
| 2017 Regular Season | Miami (OH) | 0 | 7 | 1.1 | -1.5 |
| 2018 Regular Season | Miami (OH) | 0 | 9.9 | 1.8 | 0 |
#1 Featured game
@ Cincinnati
Week 4 · L 20-27
Loss with 1 impact plays across the defensive snap sheet.
1
Havoc Plays
59.5 takeover
1 disruption/tackle impact with 59.5 takeover score.
#2
vs Ohio
Week 5 · L 7-17 · Conference game
0.5
Havoc Plays
25 takeover
Loss with 0.5 impact plays across the defensive snap sheet.
0.5 disruption/tackle impact with 25 takeover score.
#3
@ Northern Illinois
Week 12 · W 13-7 · Conference game
0
Havoc Plays
18.9 takeover
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 18.9 takeover score.
#4
vs Ball State
Week 13 · W 42-21 · Conference game
0
Havoc Plays
12.2 takeover
Win with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 12.2 takeover score.
#5
@ Army
Week 8 · L 30-31
0
Havoc Plays
10.8 takeover
Loss with 0 impact plays across the defensive snap sheet.
0 disruption/tackle impact with 10.8 takeover score.
#1 Season by Season Value
2016 Regular Season · Miami (OH)
1.5 primary output · 10 efficiency · 3.1 usage
43.6
#2
2018 Regular Season · Miami (OH)
41.5
0 primary · 9.9 efficiency · 1.8 usage
#3
2017 Regular Season · Miami (OH)
38.8
0 primary · 7 efficiency · 1.1 usage
0
Impact games
0
Splash games
0
10+ tackle games
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