Usage Score
4.5
Player Dossier
2019-2021Duke
Jalen Alexander
S • 5'11" • 160 lbs • Loganville, GA, USA
Ball-hunting defenderSplash play profile
Jalen Alexander shows a ball-hunting defender profile with 22.3 disruption score.
Efficiency
22.3
Consistency
41.3
Season Value
21.1
Career Arc
Value trend by season
Best season by value score: 2021 Regular Season · Duke
192021
Snapshot
- Career Teams
- 1
- Seasons Tracked
- 3
- Program Path
- Duke
- Peak Game
- Peak game by takeover score: Miami
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.
Jalen Alexander, S. Best season Best season by value score: 2021 Regular Season · Duke. Jalen Alexander shows a ball-hunting defender profile with 22.3 disruption score.
Player insights
Lead takeaway
Best season by value score: 2021 Regular Season
Duke paired 7 primary output with 22.3 efficiency.
Supporting note
2021 Regular Season role shape
impact-led usage with 22.3 efficiency.
Supporting note
Career value is trending up
2021 Regular Season improved on the prior stop by season value score.
Supporting note
Peak game by takeover score: Miami
Loss with 1.5 impact plays across the defensive snap sheet. It landed in the 90.9th 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.
2021 Regular Season · Duke
Games
11
Havoc Plays / G
0.6
Efficiency
22.3
Usage
4.5
Consistency
41.3
Best Game by takeover score
Miami
Hover a point or expand a game row to keep the active game context visible here.
Game-by-Game Trend
1234567891011
Chronological game order.
Game by game trend chart. Charlotte: 0.5. Unknown: 0. Northwestern: 0. Kansas: 0. North Carolina: 1. Georgia Tech: 2. Virginia: 1. Wake Forest: 0. Pittsburgh: 0. Virginia Tech: 1. Miami: 1.5
Volume vs Efficiency
Low volume / high quality
High volume / high quality
Low volume / lower quality
High volume / lower quality
Volume on the x-axis, quality on the y-axis.
Volume versus efficiency scatter chart. Charlotte: 9 by 42.5. Unknown: 4 by 16.7. Northwestern: 1 by 4.2. Kansas: 1 by 4.2. North Carolina: 3 by 22.5. Georgia Tech: 0 by 20. Virginia: 5 by 30.8. Wake Forest: 3 by 12.5. Pittsburgh: 4 by 16.7. Virginia Tech: 3 by 22.5. Miami: 9 by 52.5
Split Comparison
Wins0 · n=2 · -0.9 vs Losses
Losses0.9 · n=8 · +0.9 vs Wins
First Half0.6 · n=6 · -0.1 vs Second Half
Second Half0.7 · n=5 · +0.1 vs First Half
Game Log
Dense stat lines with inline explanations and season-linked highlights.
11 games
Featured metric
Havoc Plays
Top game by takeover score
Miami
Best efficiency game
52.5 vs Miami
| Result | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sat 11/27 | vs Miami | L 10-47 | 9 | 6 | — | 1.50 | 0 | — | 0 | — | — |
| Sat 11/13 | @ Virginia Tech | L 17-48 | 3 | 3 | — | 0 | 0 | — | 1 | — | — |
| Sat 11/6 | vs Pittsburgh | L 29-54 | 4 | 3 | — | 0 | 0 | — | 0 | — | — |
| Sat 10/30 | @ Wake Forest | L 7-45 | 3 | 3 | — | 0 | 0 | — | 0 | — | — |
| Sat 10/16 | @ Virginia | L 0-48 | 5 | 4 | — | 0 | 0 | — | 1 | — | — |
| Sat 10/9 | vs Georgia Tech | L 27-31 | 0 | 0 | — | 0 | 0 | — | 2 | — | — |
| Sat 10/2 | @ North Carolina | L 7-38 | 3 | 3 | — | 0 | 0 | — | 1 | — | — |
| Sat 9/25 | vs Kansas | W 52-33 | 1 | 0 | — | 0 | 0 | — | 0 | — | — |
| Sat 9/18 | vs Northwestern | W 30-23 | 1 | 1 | — | 0 | 0 | — | 0 | — | — |
| Sat 9/11 | vs Unknown | — | 4 | 3 | — | 0 | 0 | — | 0 | — | — |
| Fri 9/3 | @ Charlotte | L 28-31 | 9 | 7 | — | 0.50 | 0 | — | 0 | — | — |
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
Duke
2019-2021
Opening stop
Season Progression
201920202021
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2019 Regular Season | Duke | 3 | 10.1 | 3.2 | — |
| 2020 Regular Season | Duke | 3 | 14.9 | 2.3 | 0 |
| 2021 Regular Season | Duke | 7 | 22.3 | 4.5 | 4 |
Signature Performances
Top Games
#1 Featured game
Miami
Loss with 1.5 impact plays across the defensive snap sheet.
1.5
Primary metric
1.5 disruption/tackle impact with 50.3 takeover score.
#2
North Carolina
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 47.9 takeover score.
#3
Charlotte
1
Primary metric
Win with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 47.5 takeover score.
#4
Virginia
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 44.6 takeover score.
#5
North Carolina
1
Primary metric
Loss with 1 impact plays across the defensive snap sheet.
1 disruption/tackle impact with 43.2 takeover score.
Top Seasons
#1 Season by value score
2021 Regular Season · Duke
7 primary output · 22.3 efficiency · 4.5 usage
21.1
#2
2020 Regular Season · Duke
8.8
3 primary · 14.9 efficiency · 2.3 usage
#3
2019 Regular Season · Duke
8.4
3 primary · 10.1 efficiency · 3.2 usage
Milestones
0
Impact games
0
Splash games
0
10+ tackle games
Bio, Recruit, and Data Context
Recruit Profile
3★
Class 2019 · Rating 0.863
Grayson · Loganville, GA
- Committed To
- Duke
- Commit Date
- Jan 1, 2019
Career Facts
1
Career teams
3
Seasons tracked
84
Career Tackles
Data Context
Coverage spans 3 tracked seasons, 30 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.