Player Career
Career story, signature performances, transfer context, and season arc are grouped for biography-style searches.
Player Story
Mason Nelson built his college career from 2021 through 2025 as a defensive lineman from Howell, MI wearing No. 54, spending time with Vanderbilt and Western Michigan. The clearest part of Mason Nelson's career was his defensive production: 78 tackles, 15.5 tackles for loss, 7 sacks, and 1 pass defended across 34 career games in the available record. That gives Mason Nelson's career enough real context without stretching the story beyond the available production.
Track team changes, role shifts, and season-to-season movement.
Western Michigan
2021-2024
Opening stop
Vanderbilt
2025
Final stop
Season Value Progression
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2021 Regular Season | Western Michigan | 0 | 4.2 | 1.1 | — |
| 2022 Regular Season | Western Michigan | 1 | 7.2 | 1.3 | 1 |
| 2023 Regular Season | Western Michigan | 9 | 20.3 | 7.4 | 8 |
| 2024 Postseason | Western Michigan | 13.5 | 22 | 6.9 | 4.5 |
| 2024 Regular Season | Western Michigan | 13.5 | 22 | 6.9 | 0 |
| 2025 Regular Season | Vanderbilt | 2 | 11.3 | 2.5 | -11.5 |
Transfer Portal History
| Season | Path | Movement | Value | Date |
|---|---|---|---|---|
| 2025 | Western Michigan to Vanderbilt | G5/FCS to P4 | 81.4 | Apr 23, 2025 |
#1 Featured game
vs Bethune-Cookman
Week 3 · W 59-31
Win with 3.5 impact plays across the defensive snap sheet.
3.5
Havoc Plays
82.5 takeover
3.5 disruption/tackle impact with 82.5 takeover score.
#2
vs Ball State
Week 5 · W 42-24 · Conference game
3
Havoc Plays
79.2 takeover
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 79.2 takeover score.
#3
@ Ball State
Week 6 · W 45-42 · Conference game
3
Havoc Plays
77.5 takeover
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 77.5 takeover score.
#4
vs Kent State
Week 9 · W 52-21 · Conference game
3
Havoc Plays
71.1 takeover
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 71.1 takeover score.
#5
@ Syracuse
Week 2 · L 7-48
2
Havoc Plays
66.4 takeover
Loss with 2 impact plays across the defensive snap sheet.
2 disruption/tackle impact with 66.4 takeover score.
#1 Season by Season Value
2024 Postseason · Western Michigan
13.5 primary output · 22 efficiency · 6.9 usage
57.1
#2
2024 Regular Season · Western Michigan
57.1
13.5 primary · 22 efficiency · 6.9 usage
#3
2023 Regular Season · Western Michigan
41
9 primary · 20.3 efficiency · 7.4 usage
7
Impact games
7
Splash games
0
10+ tackle games
Next best actions
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