Short-yardage / goal-line · enumeration
Who gets the tough yard
7/113rd/4th & short
17/56Inside-5 share
7 of 11 on 3rd/4th-and-2-or-less (63.6%). 17 of the team's 56 inside-the-5 carries (30.4%).
Karson Roberts
Last confirmed: Air Force, 2015. No 2026 box-score games on record.
6′0″ · Houston, TX
Karson Roberts: QB · Air Force · #16.
Players he’s like
Closest statistical matches, adjusted for opponent strength.
Karson Roberts
Beats you with his legs when the pocket breaks down. This is his second year in the same quarterback room at Air Force. On tape: 279 passing yards and 66 rushing yards against Boise State, Week 12, 2015.
How he plays
How he plays
Play style
Dangerous with both arm and legs — defenses can't just pin the ears back.
News and fans
No outlet on our list has written about him by name this season.
Air Force in the news
Where to follow him
Career stats
Swipe the table sideways for more columns.
Game log
Game log · Week-by-week
2015 season · 12 games
Swipe the table sideways for more columns.
| Wk | Opp | CMP/ATT | YDS | TD | INT | YPA | QBR | Note |
|---|---|---|---|---|---|---|---|---|
| Wk 3 | L 21-35@ No. 4 Michigan State | 6/9 | 149 | 1 | 1 | 16.6 | 39.5 | |
| Wk 5 | L 11-33@ Navy | 5/12 | 73 | 0 | 1 | 6.1 | 2.5 | |
| Wk 6 | W 31-17vs Wyoming | 4/9 | 24 | 0 | 1 | 2.7 | 42.2 | |
| Wk 7 | L 23-38@ Colorado State | 9/15 | 104 | 0 | 1 | 6.9 | 17.8 | |
| Wk 8 | W 42-14vs Fresno State | 5/10 | 108 | 0 | 0 | 10.8 | 82.0 | |
| Wk 9 | W 58-7@ Hawai'i | 3/9 | 80 | 0 | 0 | 8.9 | 78.2 | |
| Wk 10 | W 20-3vs Army | 7/10 | 156 | 2 | 0 | 15.6 | 80.5 | |
| Wk 11 | W 35-28vs Utah State | 11/17 | 271 | 1 | 0 | 15.9 | 93.4 | |
| Wk 12 | W 37-30@ Boise State | 9/16 | 279 | 2 | 3 | 17.4 | 73.9 | Season-high 279 yds · 3 INTs — rough day |
| Wk 13 | L 35-47@ New Mexico | 6/16 | 167 | 3 | 3 | 10.4 | 34.1 | 3 TD passes · 3 INTs — rough day |
| Wk 14 | L 24-27@ San Diego State | 5/11 | 35 | 0 | 0 | 3.2 | 31.2 | |
 Bowl | L 36-55vs California | 7/14 | 149 | 2 | 1 | 10.6 | 44.7 | |
| Total | 77/148 | 1595 | 11 | 11 | 10.8 | — |
Signature game
Bowl · 2015
L 36-55
vs California · neutral site
149 yds · 2 TD · 1 INT · QBR 44.7 · 69 rush yds (16 car) · 1 TD
With T. McVey — 1 rec · 57 yds · 1 TD · 44 rush yds (8 car) · B. Driskell — 31 rush yds (2 car)
Signature plays
The plays that mattered most
- Week 11 · Utah State · 3rd and 9 · Q3 · EPA +7.07Karson Roberts pass complete to Jalen Robinette for 74 yds for a TD UTAH ST Penalty, Defensive pass interference ( Yards) declined, (Luke Strebel KICK)
- Week 13 · New Mexico · 1st and 10 · Q2 · EPA +6.08Karson Roberts pass complete to Timothy McVey for 75 yds for a TD, (Luke Strebel KICK)
- Week 12 · Boise State · 2nd and 5 · Q2 · EPA +5.76Roberts to Robinette: a 67-yard touchdown pass.
- Week 12 · Boise State · 3rd and 4 · Q3 · EPA +5.32Roberts to Griffin: a 51-yard touchdown pass.
- Week 1 · California · 1st and 10 · Q3 · EPA +4.47Roberts to McVey: a 57-yard pass.
- Week 13 · New Mexico · 1st and 10 · Q4 · EPA +4.37Karson Roberts pass complete to Timothy McVey for 56 yds for a TD, (Luke Strebel KICK)
4 more plays
- Week 10 · Army · 2nd and 8 · Q2 · EPA +4.20Karson Roberts pass complete to Garrett Brown for 59 yds to the Army 22 for a
- Week 12 · Boise State · 2nd and 7 · Q3 · EPA −4.05Karson Roberts pass intercepted Raymond Ford return for 39 yds to the BoiSt 39
- Week 3 · Michigan State · 3rd and 10 · Q4 · EPA −3.92Karson Roberts pass intercepted Rj Williamson return for 9 yds to the MchSt 17
- Week 10 · Army · 3rd and 7 · Q3 · EPA +3.75Karson Roberts pass complete to Jalen Robinette for 34 yds to the Army 28 for a
Passing profile
Pass Profile · Completions by yards gained (PBP)
Adjusted ANY/A, sack rate, and where the yards came from
144 of 148 attempts matched to play-by-play
Totals here are the box score's. Play-by-play lists 144 passing plays (73 completions) against the box score's 148 attempts (77 completions), and the depth buckets use play-by-play.
Adjusted ANY/A
8.6815 of 198 QBsSack rate
2.0%11 of 198 QBsRarely sacked (11 of 198 QBs) and still 15 of 198 in Adjusted ANY/A.
Adjusted ANY/A uses full-season box-score totals (attempts, yards, TDs, INTs); sack rate is play-by-play-derived.
Short
0–9 yds29%of completions
21 comp3.0 yds avg1 TD
Middle
10–19 yds34%of completions
25 comp13.9 yds avg
Deep
20+ yds37%of completions
27 comp36.8 yds avg6 TD
Overall 52.0% completion on 148 attempts · 27 deep completions averaging 36.8 yds.
Teams and coaches
2 seasons under Troy Calhoun — 18-9 over that span.
2014Air Force10-3HC: Troy Calhoun · Run-heavy, fast tempo
2015Air Force8-6HC: Troy Calhoun · Run-heavy
Our ratings
Splits
Home and road splits, scheme and staff
Splits · Per-game
2015 season · 12 games
Home vs Road
| YDS/g | TD/g | YPA | INT/g | |
|---|---|---|---|---|
| Home4g | 140 | 0.8 | 11.2 | 0.2 |
| Road7g | 127 | 0.9 | 9.9 | 1.3 |
First half vs Second half
| YDS/g | TD/g | YPA | INT/g | |
|---|---|---|---|---|
| Weeks 1-75g | 99.8 | 0.6 | 8.6 | 1.0 |
| Weeks 8+7g | 157 | 1.1 | 11.7 | 0.9 |
Supporting cast · Scheme
Staff and system around the player
Head Coach
Troy Calhoun
Pass share
17.5%
170 pass / 800 run
Plays / game
69.3
14 games
Scheme: Run-heavy.
Awards
Player standing · 2015
Impact starter
168 carries, 148 pass attempts and 1 catch in 12 games, fewer passes and runs a game than most FBS quarterbacks who play every week.
Roster2-deepStarterRecognizedEliteApex
Three seasons at Air Force
- 2015 Air Force CalhounYear 3 · 12 games
- 2014 Air Force CalhounYear 2 · 1 game
- 2013 Air Force CalhounYear 1 · on the roster, no stat line
How it ended
Two seasons at Air Force, 1,595 passing yards — his college career is complete.
Coaching lineage · 2013–2015
1 coach2013–2015
Air Force
Played his entire career under Troy Calhoun.