K.J. Costello: QB · Mississippi State · #3.
Closest statistical matches, adjusted for opponent strength.
K.J. Costello
Keeps the offense on schedule and doesn't lose the game. Played for two head coaches at two programs in four seasons: David Shaw and Mike Leach. One game to point at: 623 passing yards and 5 passing TD against LSU — Week 4, 2020.
Play style
Consistent underneath passer who protects the lead. Rarely loses games; rarely wins them alone.
No outlet on our list has written about this player by name this season.
The Clarion-Ledger Oct 17Swipe the table sideways for more columns.
| Season | Team | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | Mississippi State | 134 | 209 | 64.1% | 1,283 | 6.1 | 6 | 11 | 114.6 | 21 |
| 2019 | Stanford | 101 | 166 | 60.8% | 1,028 | 6.2 | 6 | 3 | 121.2 | 41 |
| 2018 | Stanford | 267 | 411 | 65.0% | 3,519 | 8.6 | 29 | 11 | 154.8 | 81 |
| 2017 | Stanford | 124 | 211 | 58.8% | 1,573 | 7.5 | 14 | 4 | 139.5 | 60 |
| Career | 626 | 997 | 62.8% | 7,403 | 7.4 | 55 | 29 | 137.5 | 58 |
| Season | Team | |||||
|---|---|---|---|---|---|---|
| 2020 | Mississippi State | 24 | −65 | −2.7 | 0 | 7 |
| 2019 | Stanford | 18 | 24 | 1.3 | 0 | 14 |
| 2018 | Stanford | 42 | −20 | −0.5 | 0 | 45 |
| 2017 | Stanford | 28 | 92 | 3.3 | 3 | 25 |
| Career | 112 | 31 | 0.3 | 3 | 45 |
Game log · Week-by-week
2020 season · 6 games
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| Wk | Opp | CMP/ATT | YDS | TD | INT | YPA | QBR | Note |
|---|---|---|---|---|---|---|---|---|
| Wk 4 | W 44-34@ No. 6 LSU | 36/60 | 623 | 5 | 2 | 10.4 | — | Season-high 623 yds |
| Wk 5 | L 14-21vs Arkansas | 43/59 | 313 | 1 | 3 | 5.3 | — | 3 INTs — rough day |
| Wk 6 | L 2-24@ Kentucky | 36/55 | 232 | 0 | 4 | 4.2 | — | 4 INTs — rough day |
| Wk 7 | L 14-28vs No. 11 Texas A&M | 15/22 | 99 | 0 | 1 | 4.5 | — | |
| Wk 9 | L 0-41@ No. 2 Alabama | 4/11 | 16 | 0 | 0 | 1.5 | — | |
| Wk 16 | W 51-32vs Missouri | 0/2 | 0 | 0 | 1 | 0.0 | — | |
| Total | 134/209 | 1283 | 6 | 11 | 6.1 | — |
Week 4 · 2020
W 44-34
at LSU
623 yds · 5 TD · 2 INT
Edged out LSU on the road in a shootout.
With K. Hill — 8 rec · 158 yds · 1 TD · 34 rush yds (7 car) · O. Mitchell — 7 rec · 183 yds · 2 TD
The plays that mattered most
Pass Profile · Completions by yards gained (PBP)
Adjusted ANY/A, sack rate, and where the yards came from
Totals here are the box score's. Play-by-play lists 208 passing plays (134 completions) against the box score's 209 attempts (134 completions), and the depth buckets use play-by-play.
Adjusted ANY/A
3.61157 of 171 QBsSack rate
6.3%93 of 171 QBsSacked on 6.3% of dropbacks (93 of 171) and Adjusted ANY/A trails the field (157 of 171).
Adjusted ANY/A uses full-season box-score totals (attempts, yards, TDs, INTs); sack rate is play-by-play-derived.
Short
0–9 ydsMiddle
10–19 ydsDeep
20+ ydsOverall 64.1% completion on 209 attempts · 17 deep completions averaging 31.8 yds.
Splits · Per-game
2020 season · 6 games
Home vs Road
| YDS/g | TD/g | YPA | INT/g | |
|---|---|---|---|---|
| Home3g | 137 | 0.3 | 3.3 | 1.7 |
| Road3g | 290 | 1.7 | 5.4 | 2.0 |
First half vs Second half
| YDS/g | TD/g | YPA | INT/g | |
|---|---|---|---|---|
| Weeks 1-74g | 317 | 1.5 | 6.1 | 2.5 |
| Weeks 8+2g | 8.0 | 0.0 | 0.8 | 0.5 |
Supporting cast · Scheme
Staff and system around the player
Head Coach
Mike Leach
Pass share
73.9%
555 pass / 196 run
Plays / game
75.1
10 games
Scheme: Pass-heavy, fast tempo.
Player standing · 2020
About as many passes and runs a game as a typical FBS quarterback who plays every week.
Last school: Mississippi State · Moved schools
Four-star, No. 48 in the 2016 class. Santa Margarita Catholic, Rancho Santa Margarita, CA.
Last passing season on file: 2020, 209 passes for Mississippi State.
| Year | School | Passes | Yards | TD | INT |
|---|---|---|---|---|---|
| 2017 | Stanford | 211 | 1,573 | 14 | 4 |
| 2018 | Stanford | 413 | 3,540 | 29 | 11 |
| 2019 | Stanford | 166 | 1,028 | 6 | 3 |
| 2020 | Mississippi State | 209 | 1,283 | 6 | 11 |
How it ended
Four seasons, at Stanford and Mississippi State, 7,403 passing yards — the college career is complete.
A stat line in 35 games over four seasons.
Coaching lineage · 2016–2020
2 coachesPlayed for 2 head coaches at 2 schools: David Shaw and Mike Leach.
