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
Karson Roberts: QB · Air Force · #16.
Similar players
Closest statistical matches, adjusted for opponent strength.
Karson Roberts
Runs when the pocket breaks down. 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.
Style of play
Style of play
Play style
Dangerous with both arm and legs — defenses can't just pin the ears back.
Fans
No outlet on our list has written about this player by name this season.
Air Force in the news
- Air Force names new QB
Colorado Springs Gazette Oct 26 - Serviceman dies in rappelling accident
Where to follow
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
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 — the college career is complete.
Coaching lineage · 2013–2015
1 coach2013–2015
Air Force
Played every college season under Troy Calhoun.