CFB
Marvin Duffey Jr.
RB · Stetson
Description
- Position
- RB
- Team
- Stetson
- Class
- —
- Jersey
- —
- Height
- —
- Weight
- —
- Hometown
- —
- Last active
- 2025
Accolades
0
No accolades.
2026 Projection
RB
Rush Yds
213
71–416
Rush TD
3
1–6
Receptions
4
1–12
Rec Yds
37
3–89
Season Stats
Regular season
| Season | Tm | Car | Yds | TD | Y/C | Lng | Rec | RecYd | RecTD | PPA |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | STET | 32 | 88 | 2 | 2.8 | 9 | 2 | 18 | 0 | -0.13 |
Game Log
Latest season
| Wk | Opp | Car | Yds | TD | Y/C | Lng | Rec | RecYd | RecTD |
|---|---|---|---|---|---|---|---|---|---|
| 2 | Warner University | 11 | 44 | 2 | 4 | 9 | — | — | — |
| 3 | Chattanooga | 3 | -1 | 0 | -0.3 | 2 | 2 | 18 | 0 |
| 4 | Harvard | 9 | 16 | 0 | 1.8 | 5 | — | — | — |
| 9 | St. Thomas (MN) | 2 | 6 | 0 | 3 | 5 | — | — | — |
| 11 | Marist | 7 | 23 | 0 | 3.3 | 8 | — | — | — |
Career Highs
| Stat | Best Season | Career |
|---|---|---|
| Rush Yds | 88'25 | 88 |
| Rush TD | 2'25 | 2 |
| Rec Yds | 18'25 | 18 |
Usage
2025 · share of team
Overall
12%
Rush
21%
Pass
2%
1st Down
13%
2nd Down
11%
3rd Down
14%
Standard Downs
16%
Passing Downs
5%
Game Trend
2025 · Rush Yds
Rush Yds per game
Consistency
2025 · Rush Yds
| Per game | 17.6 |
| Ceiling (90th) | 35.6 |
| Floor (10th) | 1.8 |
| Std dev | 15.6 |
| Boom rate | 20% |
| Bust rate | 40% |
| Profile | Volatile |
Boom ≥1.5× avg · Bust ≤0.5× avg · 5 games
PPA Profile
2025 · opp-adjusted / play
Overall
-0.13
By play type
Pass
1.17
Rush
-0.21
By down
1st Down
-0.36
2nd Down
-0.13
3rd Down
0.27
By down type
Standard Downs
-0.13
Passing Downs
-0.15
Points Per Attempt added vs the average play, adjusted for opponent strength. Right = above baseline, left = below.
PPA Splits
Opponent-adjusted PPA / play
| Season | Tm | PPA/Play | Pass | Rush | 1stDn | 2ndDn | 3rdDn | StdDn | PassDn | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Stetson | -0.13 | 1.17 | -0.21 | -0.36 | -0.13 | 0.27 | -0.13 | -0.15 | -4.3 |
News
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