Player Career
Career story, signature performances, transfer context, and season arc are grouped for biography-style searches.
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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