Michael Prowell
UMPIRE · ACCumpire · ACC · 48 games since 2022
Worked BC 27–21 PITT in week 7.
Games since '22Games since '22
488 in 20268 in 2026
Flags / g 2026Flags / g · 2026
14.1— · LG 12.7— pctl · league 12.7
Acc. yds / gAcc. yds / g
127LG 111League 111
Judgment shareJudgment share
69%LG 60%League 60%
Home cookingHome cooking · pooled
−0.0−1.8–+1.8−1.8 to +1.8 · noise
Late whistleLate whistle
0.61Swallows itSwallows the whistle
Game lengthGame length
3:35LG 3:24League 3:24
Flag profile
Per game · | = leagueJ = judgment · P = procedural · + 0.1 other / g · Career, 48 G
Leans
Flags over expected / g0 LEANS IN 40 SPLITS · ~2 EXPECTED BY LUCK · + = OPPONENT FLAGGED MORE
Crew history
48 gamesYear | Crew · position | G | Flags/g |
|---|---|---|---|
| 2026 | ACC · umpire | 8 | 14.1 |
| 2025 | ACC · umpire | 11 | 11.9 |
| 2024 | ACC · umpire | 10 | 8.8 |
| 2023 | ACC · umpire | 9 | 11.2 |
| 2022 | American · umpire | 10 | 8.6 |
Replay reviews
Since 2025 · 19 GReviews, 0.8/g
Overturned · 3
Of replay
Longest: ≈ 3:40, runner broke the plane upheld · 2025 postseason, Michigan vs
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 10:08 AM ET
Source: school box scores · Updated Fri 10:08 AM ET