Usage / Role
3%
Rotational defensive role
Player Dossier
2024-2025New Mexico
DE • 6'0" • 226 lbs • Frisco, TX, USA
Brett Karhu shows a ball-hunting defender profile with 31.3 disruption score.
Usage / Role
3%
Rotational defensive role
Impact Production
16
Developing production for an edge defender
Reliability
7
Sporadic game-to-game production
Star Power
22
Limited ceiling signals so far
Career Arc
Value trend by season
Best season by Season Value: 2025 Postseason · New Mexico
Snapshot
Player Story
Brett Karhu built his college career from 2024 through 2025 as a defensive end from Frisco, TX wearing No. 45, spending time with Memphis and New Mexico. The clearest part of Brett Karhu's career was his defensive...
Read the storyBrett Karhu, DE. Best season Best season by Season Value: 2025 Postseason · New Mexico. Brett Karhu shows a ball-hunting defender profile with 31.3 disruption score.
Stat Footprint
Quick Answers
Season Ledger
| Season | Team | Games | Tackles | TFL | Sacks | QB Hur | PD | TD | Overall |
|---|---|---|---|---|---|---|---|---|---|
| 2024 Regular Season | Memphis | 2 | 1 | - | 0 | 1 | - | 0 | 18.9 |
| 2025 Postseason | New Mexico | 12 | 3 | 0.5 | 0.5 | - | 1 | 0 | 75.6 |
| 2025 Regular Season | New Mexico | 12 | 26 | 10.5 | 7 | 5 | 1 | 0 | 75.6 |
Related Context
Brett Karhu played DE for Memphis and New Mexico. Across 2 tracked seasons, Brett Karhu recorded 30 tackles. His top tracked season came in 2025 with New Mexico.
Lead takeaway
Best season by value score: 2025 Postseason
New Mexico paired 25.5 primary output with 31.3 efficiency.
Supporting note
2024 Regular Season role shape
impact-led usage with 7.1 efficiency.
Supporting note
Career value stayed steady
2025 Regular Season tracked close to the prior stop by season value score.
Supporting note
Multi-stop career journey
Production spans 2 team stops, with role shifts visible across Memphis, New Mexico.
Supporting note
Peak game by takeover score: Florida State
Win with 1 impact plays across the defensive snap sheet. It landed in the 100th percentile of the selected season.
Analysis workspace
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Games
2
Havoc Plays / G
0.5
Efficiency
7.1
Usage
1.8
Consistency
50
Best Game by takeover score
Florida State
Active game
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Chronological game order.
Game by game trend chart. North Alabama: 0. Florida State: 1
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.
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.
2 games
Featured metric
Havoc Plays
Top game by takeover score
Florida State
Best efficiency game
10 vs Florida State
Player Story
Brett Karhu built his college career from 2024 through 2025 as a defensive end from Frisco, TX wearing No. 45, spending time with Memphis and New Mexico. The clearest part of Brett Karhu's career was his defensive production: 30 tackles, 11 tackles for loss, 7.5 sacks, and 2 passes defended across 14 career games in the available record. His largest box-score season came in 2025 with New Mexico. Those numbers show where he fit, how often the ball or action found him, and how his role developed over time.
Defensive careers can be hard to read from one number, but Brett Karhu's production has multiple signals. With 14 career games in the available record, his career has enough shape to show both opportunity and production across Memphis and New Mexico.
The arc is straightforward: Brett Karhu moved through the depth chart, found a larger role, and turned that opportunity into production that can be understood through standard football numbers.
Track team changes, role shifts, and season-to-season movement.
Memphis
2024
Opening stop
New Mexico
2025
Final stop
Season Value Progression
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2024 Regular Season | Memphis | 1 | 7.1 | 1.8 | — |
| 2025 Postseason | New Mexico | 25.5 | 31.3 | 12.4 | 24.5 |
| 2025 Regular Season | New Mexico | 25.5 | 31.3 | 12.4 | 0 |
#1 Featured game
vs No. 116 Nevada
Week 8 · W 24-22 · Conference game
Win with 4 impact plays across the defensive snap sheet.
4
Havoc Plays
82.8 takeover
4 disruption/tackle impact with 82.8 takeover score.
#2
@ No. 57 UNLV
Week 10 · W 40-35 · Conference game
3
Havoc Plays
75.3 takeover
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 75.3 takeover score.
#3
@ No. 25 Michigan
Week 1 · L 17-34 · Ranked opponent
2.5
Havoc Plays
69.4 takeover
Loss with 2.5 impact plays across the defensive snap sheet.
2.5 disruption/tackle impact with 69.4 takeover score.
#4
@ No. 80 Air Force
Week 13 · W 20-3 · Conference game
3
Havoc Plays
64.5 takeover
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 64.5 takeover score.
#5
vs No. 124 Colorado State
Week 12 · W 20-17 · Conference game
3
Havoc Plays
58.6 takeover
Win with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 58.6 takeover score.
#1 Season by Season Value
2025 Postseason · New Mexico
25.5 primary output · 31.3 efficiency · 12.4 usage
75.6
#2
2025 Regular Season · New Mexico
75.6
25.5 primary · 31.3 efficiency · 12.4 usage
#3
2024 Regular Season · Memphis
18.9
1 primary · 7.1 efficiency · 1.8 usage
4
Impact games
8
Splash games
0
10+ tackle games
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