Usage Score
10
Player Dossier
2016-2020UCLA
Keisean Lucier-South
LB • 6'4" • 235 lbs • Santa Ana, CA, USA
Ball-hunting defenderSplash play profile
Keisean Lucier-South shows a ball-hunting defender profile with partial disruption data.
Efficiency
28
Consistency
53.1
Season Value
28.9
Career Arc
Value trend by season
Best season by value score: 2018 Regular Season · UCLA
161717181920
Snapshot
- Career Teams
- 1
- Seasons Tracked
- 6
- Program Path
- UCLA
- Peak Game
- Peak game by takeover score: California
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.
Keisean Lucier-South, LB. Best season Best season by value score: 2018 Regular Season · UCLA. Keisean Lucier-South shows a ball-hunting defender profile with partial disruption data.
Player insights
Lead takeaway
Best season by value score: 2018 Regular Season
UCLA paired 21.5 primary output with 32.6 efficiency.
Supporting note
2019 Regular Season role shape
impact-led usage with 28 efficiency.
Supporting note
Career value cooled off
2020 Regular Season fell back from the prior stop by season value score.
Supporting note
Peak game by takeover score: Washington State
Win with 4 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.
2019 Regular Season · UCLA
Games
7
Havoc Plays / G
1.8
Efficiency
28
Usage
10
Consistency
53.1
Best Game by takeover score
California
Hover a point or expand a game row to keep the active game context visible here.
Game-by-Game Trend
1234567
Chronological game order.
Game by game trend chart. Washington State: 4. Arizona: 3. Oregon State: 1. Stanford: 3. Utah: 0. USC: 0. California: 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. Washington State: 4 by 56.7. Arizona: 2 by 38.3. Oregon State: 3 by 22.5. Stanford: 2 by 38.3. Utah: 1 by 4.2. USC: 3 by 12.5. California: 2 by 23.3
Split Comparison
Wins3.5 · n=2 · +2.4 vs Losses
Losses1.1 · n=5 · -2.4 vs Wins
First Half2.8 · n=4 · +2.3 vs Second Half
Second Half0.5 · n=3 · -2.3 vs First Half
Game Log
Dense stat lines with inline explanations and season-linked highlights.
7 games
Featured metric
Havoc Plays
Top game by takeover score
Washington State
Best efficiency game
56.7 vs Washington State
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
UCLA
2016-2020
Opening stop
Season Progression
201620172017201820192020
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2016 Regular Season | UCLA | 3 | 9.2 | 1.7 | — |
| 2017 Postseason | UCLA | 8.5 | 25.5 | 7.9 | 5.5 |
| 2017 Regular Season | UCLA | 8.5 | 25.5 | 7.9 | 0 |
| 2018 Regular Season | UCLA | 21.5 | 32.6 | 15.7 | 13 |
| 2019 Regular Season | UCLA | 12.5 | 28 | 10 | -9 |
| 2020 Regular Season | UCLA | 0 | — | — | -12.5 |
Signature Performances
Top Games
#1 Featured game
California
Win with backfield disruption leading the way.
6.5
Primary metric
6.5 disruption/tackle impact with 70.7 takeover score.
#2
Washington State
4
Primary metric
Win with 4 impact plays across the defensive snap sheet.
4 disruption/tackle impact with 58.8 takeover score.
#3
Texas A&M
4
Primary metric
Win with 4 impact plays across the defensive snap sheet.
4 disruption/tackle impact with 57 takeover score.
#4
Arizona
3
Primary metric
Loss with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 44 takeover score.
#5
Colorado
3
Primary metric
Loss with 3 impact plays across the defensive snap sheet.
3 disruption/tackle impact with 41.7 takeover score.
Top Seasons
#1 Season by value score
2018 Regular Season · UCLA
21.5 primary output · 32.6 efficiency · 15.7 usage
36.2
#2
2019 Regular Season · UCLA
28.9
12.5 primary · 28 efficiency · 10 usage
#3
2017 Postseason · UCLA
18.2
8.5 primary · 25.5 efficiency · 7.9 usage
Milestones
1
Impact games
3
Splash games
0
10+ tackle games
Bio, Recruit, and Data Context
Recruit Profile
5★
Class 2015 · Rating 0.9909
Orange Lutheran · Orange, CA
- Committed To
- UCLA
- Commit Date
- Jan 1, 2015
Career Facts
1
Career teams
6
Seasons tracked
122
Career Tackles
Data Context
Coverage spans 6 tracked seasons, 37 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.