Lead takeaway
Best season by value score: 2018 Postseason
Stanford paired 3,499 primary output with 62.2 efficiency.
Player Stats
K.J. Costello College Stats
Career production, season-by-season totals, and the selected-season workbench are grouped here for stat-first searches.
Stat Footprint
Career production snapshot
- Total offense
- 7,434
- Passing yards
- 7,403
- Rushing yards
- 31
- Touchdowns
- 58
Season Ledger
Crawlable season-by-season stats
| Season | Team | Games | Total Offense | Pass Yds | Rush Yds | TD | Overall |
|---|---|---|---|---|---|---|---|
| 2016 Regular Season | Stanford | 0 | 0 | 0 | 0 | 0 | - |
| 2017 Postseason | Stanford | 11 | 205 | 212 | -7 | 3 | 52.1 |
| 2017 Regular Season | Stanford | 11 | 1,460 | 1,361 | 99 | 14 | 52.1 |
| 2018 Postseason | Stanford | 13 | 86 | 105 | -19 | 0 | 66.5 |
| 2018 Regular Season | Stanford | 13 | 3,413 | 3,414 | -1 | 29 | 66.5 |
| 2019 Regular Season | Stanford | 5 | 1,052 | 1,028 | 24 | 6 | 48.3 |
| 2020 Regular Season | Mississippi State | 6 | 1,218 | 1,283 | -65 | 6 | 44.1 |
Player insights
Supporting note
2020 Regular Season role shape
pass-led usage with 39.5 efficiency.
Supporting note
Career value stayed steady
2020 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 Stanford, Mississippi State.
Supporting note
Peak game by takeover score: LSU
Win shaped by high passing volume and turnover pressure. It landed in the 100th percentile of the selected season.
Analysis workspace
Season Workbench
Filter the strongest season sample, inspect game-level shape, and compare the statistical profile without scrolling through the full player page.
Season Explorer
Understand the selected season before dropping into the full game log.
2020 Regular Season · Mississippi State
Games
6
Primary Metric / G
203
Efficiency
39.5
Usage
27.4
Consistency
41.3
Best Game by takeover score
LSU
Hover a point or expand a game row to keep the active game context visible here.
Active game
Hover over a point
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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. LSU: 585. Arkansas: 317. Kentucky: 228. Texas A&M: 72. Alabama: 16. Missouri: 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. LSU: 65 by 58.3. Arkansas: 63 by 51.7. Kentucky: 59 by 42.9. Texas A&M: 31 by 46.9. Alabama: 13 by 37.1. Missouri: 2 by 0
Split Comparison
Compare how this player performed across different situations. "Games" shows how many matchups are included in each split.
Wins292.5 · Games = 2 · +134.3 vs Losses
Losses158.3 · Games = 4 · -134.3 vs Wins
Next best actions
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