Kole Knueppel
REFEREE · BIG TEN · KNUEPPEL CREWreferee · Big Ten · Knueppel crew · 49 games since 2022
Referee since 2023. Worked NEB 17–20 IU in week 6.
Games since '22Games since '22
498 in 20268 in 2026
Flags / g 2026Flags / g · 2026
9.88th · LG 12.78th pctl · league 12.7
Acc. yds / gAcc. yds / g
87LG 111League 111
Judgment shareJudgment share
59%LG 60%League 60%
Home cookingHome cooking · pooled
−0.0−1.8–+1.8−1.8 to +1.8 · noise
Late whistleLate whistle
—Few late playsToo few late plays
Game lengthGame length
3:21LG 3:24League 3:24
Flag profile
Per game · | = leagueJ = judgment · P = procedural · + 0.0 other / g · Career, 49 G
Leans
Flags over expected / g0 LEANS IN 40 SPLITS · ~2 EXPECTED BY LUCK · + = OPPONENT FLAGGED MORE
Crew history
49 gamesYear | Crew · position | G | Flags/g |
|---|---|---|---|
| 2026 | Big Ten · Knueppel crew · referee | 8 | 9.8 |
| 2025 | Big Ten · Knueppel crew · referee | 12 | 8.0 |
| 2024 | Big Ten · Knueppel crew · referee | 13 | 8.5 |
| 2023 | Big Ten · Knueppel crew · referee | 8 | 10.6 |
| 2022 | Big Ten · Knueppel crew · head_line_judge | 8 | 10.5 |
Replay reviews
Since 2025 · 20 GReviews, 0.8/g
Overturned · 5
Of replay
Longest: ≈ 6:39, loose ball recovery upheld · 2026 wk 2, Ohio State at
Texas
■ Overturned · review time = gap to next snap − game median
Flags / g = accepted penalties, games worked · Late whistle = 4th-q one-score judgment flags / play ÷ rest of game
Flags / g = accepted penalties · Home cooking = FOE on visitor − FOE on home, judgment flags only · Late whistle = 4th-q one-score judgment flags / play ÷ rest of game
Lean = pooled estimate whose 90% interval misses 0 with ≥ 8 G · shrunk toward 0 · judgment flags only · permutation luck check, 1,000 shuffles
Lean = pooled estimate whose 90% interval misses 0 with ≥ 8 G · shrunk toward 0 · luck check = 1,000 shuffles · source: school box scores · Updated Fri 10:07 AM ET
Source: school box scores · Updated Fri 10:07 AM ET