Usage Score
13.3
Player Dossier
2014-2018San Diego State
Christian Chapman
QB • 6'0" • 200 lbs • Carlsbad, CA, USA
Balanced quarterback profileVolume operator
Christian Chapman is a balanced quarterback profile with 9.9 usage in the latest tracked season.
Efficiency
57.7
Consistency
71.2
Season Value
58.9
Career Arc
Value trend by season
Best season by value score: 2016 Postseason · San Diego State
141515161617171818
Snapshot
- Career Teams
- 1
- Seasons Tracked
- 9
- Program Path
- San Diego State
- Peak Game
- Peak game by takeover score: Boise State
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.
Christian Chapman, QB. Best season Best season by value score: 2016 Postseason · San Diego State. Christian Chapman is a balanced quarterback profile with 9.9 usage in the latest tracked season.
Player insights
Lead takeaway
Best season by value score: 2016 Postseason
San Diego State paired 2,057 primary output with 57.8 efficiency.
Supporting note
2017 Postseason role shape
pass-led usage with 57.7 efficiency.
Supporting note
Career value stayed steady
2018 Regular Season tracked close to the prior stop by season value score.
Supporting note
Peak game by takeover score: Boise State
Loss with 266 yards of offense and 59.3 efficiency. 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.
2017 Postseason · San Diego State
Games
13
Primary Metric / G
141.7
Efficiency
57.7
Usage
13.3
Consistency
71.2
Best Game by takeover score
Army
Hover a point or expand a game row to keep the active game context visible here.
Active game
Hover over a point
Hover or select a game to keep its context visible here without the page shifting around.
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. Army: 15. Unknown: 205. Arizona State: 82. Stanford: 149. Air Force: 173. Northern Illinois: 143. UNLV: 180. Boise State: 266. Fresno State: 67. Hawai'i: 81. San José State: 89. Nevada: 214. New Mexico: 178
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. Army: 12 by 35.2. Unknown: 23 by 61.1. Arizona State: 26 by 48.8. Stanford: 37 by 56.5. Air Force: 21 by 64.1. Northern Illinois: 23 by 57.4. UNLV: 26 by 62.5. Boise State: 41 by 59.3. Fresno State: 32 by 45.5. Hawai'i: 16 by 43. San José State: 9 by 77.5. Nevada: 24 by 82.4. New Mexico: 25 by 56.5
Split Comparison
Compare how this player performed across different situations. "Games" shows how many matchups are included in each split.
Wins143.2 · Games = 9 · +27.2 vs Losses
Losses116 · Games = 3 · -27.2 vs Wins
First Half135.3 · Games = 7 · -13.9 vs Second Half
Second Half149.2 · Games = 6 · +13.9 vs First Half
Game Log
Dense stat lines with inline explanations and season-linked highlights.
13 games
Featured metric
Total Offense
Top game by takeover score
Boise State
Best efficiency game
82.4 vs Nevada
| Result | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sat 12/23 | @ Army | L 35-42 | 6 | 10 | 25 | 60.0 | 0 | 1 | 35.2 | 2 | -10 | -5 | 0 | 0 |
| Fri 11/24 | vs New Mexico | W 35-10 | 14 | 21 | 198 | 66.7 | 2 | 1 | 56.5 | 4 | -20 | -5 | 0 | 5 |
| Sun 11/19 | vs Nevada | W 42-23 | 15 | 23 | 205 | 65.2 | 1 | 0 | 82.4 | 1 | 9 | 9 | 0 | 9 |
| Sun 11/5 | @ San José State | W 52-7 | 4 | 5 | 77 | 80.0 | 1 | 0 | 77.5 | 4 | 12 | 3 | 0 | 10 |
| Sun 10/29 | @ Hawai'i | W 28-7 | 5 | 11 | 83 | 45.5 | 1 | 1 | 43 | 5 | -2 | -0.40 | 0 | 6 |
| Sun 10/22 | vs Fresno State | L 3-27 | 10 | 20 | 77 | 50.0 | 0 | 0 | 45.5 | 12 | -10 | -0.80 | 0 | 5 |
| Sun 10/15 | vs Boise State | L 14-31 | 12 | 27 | 240 | 44.4 | 1 | 0 | 59.3 | 14 | 26 | 1.90 | 0 | 17 |
| Sun 10/8 | @ UNLV | W 41-10 | 14 | 23 | 172 | 60.9 | 0 | 0 | 62.5 | 3 | 8 | 2.70 | 1 | 14 |
| Sun 10/1 | vs Northern Illinois | W 34-28 | 10 | 19 | 136 | 52.6 | 2 | 0 | 57.4 | 4 | 7 | 1.80 | 0 | 6 |
| Sat 9/23 | @ Air Force | W 28-24 | 10 | 16 | 180 | 62.5 | 1 | 0 | 64.1 | 5 | -7 | -1.40 | 0 | 6 |
| Sun 9/17 | vs Stanford | W 20-17 | 21 | 29 | 187 | 72.4 | 1 | 0 | 56.5 | 8 | -38 | -4.80 | 0 | 4 |
| Sun 9/10 | @ Arizona State | W 30-20 | 9 | 18 | 73 | 50.0 | 1 | 0 | 48.8 | 8 | 9 | 1.10 | 0 | 14 |
| Sun 9/3 | vs Unknown | — | 16 | 21 | 220 | 76.2 | 2 | 1 | 61.1 | 2 | -15 | -7.50 | 0 | 0 |
Career Arc
Track team changes, role shifts, and season-to-season movement.
- 1
San Diego State
2014-2018
Opening stop
Season Progression
201420152015201620162017201720182018
| Season | Team | Primary | Efficiency | Usage | Delta |
|---|---|---|---|---|---|
| 2014 Regular Season | San Diego State | 0 | — | — | — |
| 2015 Postseason | San Diego State | 508 | 71 | 8.3 | 508 |
| 2015 Regular Season | San Diego State | 508 | 71 | 8.3 | 0 |
| 2016 Postseason | San Diego State | 2,057 | 57.8 | 11.6 | 1,549 |
| 2016 Regular Season | San Diego State | 2,057 | 57.8 | 11.6 | 0 |
| 2017 Postseason | San Diego State | 1,842 | 57.7 | 13.3 | -215 |
| 2017 Regular Season | San Diego State | 1,842 | 57.7 | 13.3 | 0 |
| 2018 Postseason | San Diego State | 768 | 62.2 | 9.9 | -1,074 |
| 2018 Regular Season | San Diego State | 768 | 62.2 | 9.9 | 0 |
Signature Performances
Top Games
#1 Featured game
Boise State
Loss with 266 yards of offense and 59.3 efficiency.
266
Primary metric
266 total offense with 59.3 efficiency.
#2
Air Force
235
Primary metric
Win with 235 yards of offense and 79.4 efficiency.
235 total offense with 79.4 efficiency.
#3
Unknown
310
Primary metric
Game with 310 yards of offense and 75.8 efficiency.
310 total offense with 75.8 efficiency.
#4
UNLV
92
Primary metric
Loss with 92 yards of offense and 72.2 efficiency.
92 total offense with 72.2 efficiency.
#5
Unknown
39
Primary metric
Game with 39 yards of offense and 100 efficiency.
39 total offense with 100 efficiency.
Top Seasons
#1 Season by value score
2016 Postseason · San Diego State
2,057 primary output · 57.8 efficiency · 11.6 usage
59.6
#2
2016 Regular Season · San Diego State
59.6
2,057 primary · 57.8 efficiency · 11.6 usage
#3
2017 Postseason · San Diego State
58.9
1,842 primary · 57.7 efficiency · 13.3 usage
Milestones
2
250+ passing yards
1
300+ total offense
0
3+ takeover TD games
20
Above avg efficiency
Bio, Recruit, and Data Context
Recruit Profile
3★
Class 2014 · Rating 0.8194
Carlsbad · Carlsbad, CA
- Committed To
- San Diego State
- Commit Date
- Jan 1, 2014
Career Facts
1
Career teams
9
Seasons tracked
5,175
Career Total Offense
Data Context
Coverage spans 9 tracked seasons, 39 games, and base opponent context only. Derived metrics fall back to raw production when share or rating context is missing.