Usage Score
2.5
Player Dossier
2021-2025Northwestern
Yanni Karlaftis
LB • 6'3" • 235 lbs • West Lafayette, IN, USA
Ball-hunting defenderSplash play profile
Yanni Karlaftis shows a ball-hunting defender profile with 14 disruption score.
Efficiency
14
Consistency
8.3
Season Value
6.6
Career Arc
Value trend by season
Best season by value score: 2021 Regular Season · Purdue
2122232425
Snapshot
- Career Teams
- 2
- Seasons Tracked
- 5
- Program Path
- Purdue • Northwestern
- Peak Game
- Peak game by takeover score: Illinois
Scouting Read
Best season and peak-game context are pinned here so the rest of the page can stay analytical without losing the headline story.
Yanni Karlaftis, LB. Best season Best season by value score: 2021 Regular Season · Purdue. Yanni Karlaftis shows a ball-hunting defender profile with 14 disruption score.
Yanni Karlaftis played LB for Purdue and Northwestern. Across 5 tracked seasons, Yanni Karlaftis recorded 131 tackles. His top tracked season came in 2023 with Purdue.
Player insights
Lead takeaway
Best season by value score: 2021 Regular Season
Purdue paired 2 primary output with 36.7 efficiency.
Supporting note
2025 Regular Season role shape
impact-led usage with 14 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 Purdue, Northwestern.
Supporting note
Peak game by takeover score: Tulane
Loss with 1 impact plays across the defensive snap sheet. It landed in the 100th percentile of the selected season.
Analysis workspace
Season Workbench
Filter the strongest season sample, inspect game-level shape, and then drop into the full log without losing the story of the year.
Season Explorer
Understand the selected season before dropping into the full game log.
2025 Regular Season · Northwestern
Games
4
Havoc Plays / G
0.3
Efficiency
14
Usage
2.5
Consistency
8.3
Best Game by takeover score
UCLA
Hover a point or expand a game row to keep the active game context visible here.
Active game
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Game-by-Game Trend
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. Tulane: 1. Unknown: 0. Oregon: 0. UCLA: 0
Volume vs Efficiency
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.
Low volumeHigh quality
High volumeHigh quality
Low volumeLower quality
High volumeLower quality
Volume on the x-axis, quality on the y-axis.
Volume versus efficiency scatter chart. Tulane: 4 by 26.7. Unknown: 3 by 12.5. Oregon: 2 by 8.3. UCLA: 2 by 8.3
Split Comparison
Compare how this player performed across different situations. "Games" shows how many matchups are included in each split.
Losses0.5 · Games = 2
First Half0.5 · Games = 2 · +0.5 vs Second Half
Second Half0 · Games = 2 · -0.5 vs First Half
All Games0.3 · Games = 4
Game Log
Dense stat lines with inline explanations and season-linked highlights.
4 games
Featured metric
Havoc Plays
Top game by takeover score
Tulane
Best efficiency game
26.7 vs Tulane
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
Purdue
2021-2024
Opening stop
- 2
Northwestern
2025
Final stop
Season Progression
20212022202320242025
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2021 Regular Season | Purdue | 2 | 36.7 | 3.4 | — |
| 2022 Regular Season | Purdue | 1 | 13.3 | 4 | -1 |
| 2023 Regular Season | Purdue | 5 | 23.3 | 5.7 | 4 |
| 2024 Regular Season | Purdue | 3 | 24.3 | 5.5 | -2 |
| 2025 Regular Season | Northwestern | 1 | 14 | 2.5 | -2 |
Signature Performances
Top Games
#1 Featured game
Illinois
Win with 2 impact plays across the defensive snap sheet.
2
Primary metric
2 disruption/tackle impact with 56.1 takeover score.
#2
Northwestern
2
Primary metric
Loss with 2 impact plays across the defensive snap sheet.
2 disruption/tackle impact with 53.2 takeover score.
#3
Oregon
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 52.9 takeover score.
#4
Indiana
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 50.4 takeover score.
#5
Nebraska
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 50 takeover score.
Top Seasons
#1 Season by value score
2021 Regular Season · Purdue
2 primary output · 36.7 efficiency · 3.4 usage
35.9
#2
2022 Regular Season · Purdue
17.2
1 primary · 13.3 efficiency · 4 usage
#3
2023 Regular Season · Purdue
11.5
5 primary · 23.3 efficiency · 5.7 usage
Milestones
0
Impact games
0
Splash games
0
10+ tackle games
Bio, Recruit, and Data Context
Recruit Profile
4★
Class 2021 · Rating 0.9069
West Lafayette · West Lafayette, IN
- Committed To
- Purdue
- Commit Date
- Jan 1, 2021
Career Facts
2
Career teams
5
Seasons tracked
131
Career Tackles
Data Context
Coverage spans 5 tracked seasons, 30 games, and SP opponent-strength context when available. Derived metrics fall back to raw production when share or rating context is missing.