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The LabEvery officiating crew, by the numbers

Officiating crew ofAlex Kemp

8 games in 2026. 13.3 accepted flags a game against a league average of 14.7 (14th most of 18 crews), 105.6 penalty yards, and 44% of the flags on the home team.

All crewsFlag Ledger
Alex Kemp, NFL refereePhoto: All-Pro Reels, CC BY-SA 4.0, via Wikimedia Commons, croppedHOMEAWAY
Flags a game13.3league 14.7
Yards a game105.6league 118
Win prob. moved23 ptsleague 39
Late flags1.254th quarter, one-score games
TDs erased4touchdowns wiped by a flag
Game by game

Every game this crew worked

8 games, 13.3 accepted flags a game against a league average of 14.7.

Bottom line3 of 8 games above the league average; 44% of this crew's flags went against the home team.

How to read this chart
One bar = one game
as tall as the accepted flags in it; the number on top is the total, in yellow when it beats the league average.
Yellow and grey
yellow = flags against the home team, grey = against the away team; the small numbers inside are the split.
Dashed line
the league average, 14.7 flags a game. Under the bar: away @ home, week and final score. Tap a game to open it.
6avg 14.74@W1 · 27-71679@W3 · 6-3514410@W4 · 17-1418711@W5 · 26-317107@W6 · 34-271358@W7 · 38-211459@W8 · 6-27853@W9 · 45-27
Against the league

What this crew calls

Taunting×3.9
Neutral Zone Infraction×2.5
Roughing the Passer×1.7
Illegal Block Above the Waist×1.7
Illegal Contact×0.5
Unnecessary Roughness×0.6
Defensive Offside×0.6

Bottom lineTheir signature call: taunting, ×3.9 the league rate.

How to read this chart
One row per penalty type.
The center line is the league rate per game.
Bar to the right (×1.5, ×2.0…):
this crew calls it more often than the league; ×2.0 = twice as often.
Bar to the left (×0.5…):
calls it less often; ×0.5 = half as often. Few games, so treat single rows as hints, not proof.
On the field

The crew

  • Alex KempReferee
  • Rusty BaynesLine Judge
  • Sean PettyField Judge
  • Scott HelversonBack Judge
  • Jim QuirkBack Judge
  • Mike CarrDown Judge · 7 of 8
  • Brandon EllisonUmpire · 7 of 8
The flag that mattered most

Biggest swing

8pts
Offensive Holding on LA, Week 1, Q2 3:10

(Shotgun) 9-M.Stafford pass incomplete short middle to 12-P.Nacua. PENALTY on LA-71-W.McClendon, Offensive Holding, 10 yards, enforced at SF 42 - No Play.

The career · 2018 to today

Alex Kemp, every season

Regular season and playoffs since 2018, compared with each season's average and with the league. All referees since 1999

Bottom lineOver his career, Alex Kemp calls +0.5 flags a game above the season average; home teams won 54% of his games (league 56%).

How to read this chart
The tiles:
career totals: games, flags a game compared with each season's average (+ = more), how often the home team won and covered the spread, how often games went over the betting total, and the share of flags on the home team, each next to the league figure.
The bars:
one per season. Up (yellow) = he called more flags a game than the league did that year; down (blue) = fewer. Taller = further from average. Comparing with each year matters because flag rates change with the rules.
The four boxes below:
pass interference, holding, roughing and pre-snap fouls, per game above (+) or below (−) the season average.
Games since 20181366 playoff games
Flags vs the season+0.512.7 accepted flags a game
Home teams won54%league 56%
Home teams covered51%league 49%
Went over the total50%league 49%
Flags on the home team47%league 48%
181920212223242526
Pass interference−0.01a game vs the seasonHolding+0.13a game vs the seasonRoughing+0.08a game vs the seasonPre-snap fouls−0.15a game vs the season
Teams

Who they worked

Patriots2 games · 7.0 flags a game againstPackers2 games · 6.5 flags a game againstRams1 game · 4.0 flags a game against49ers1 game · 2.0 flags a game againstJaguars1 game · 7.0 flags a game againstBuccaneers1 game · 4.0 flags a game againstTitans1 game · 7.0 flags a game againstTexans1 game · 11.0 flags a game againstGiants1 game · 10.0 flags a game againstSaints1 game · 7.0 flags a game againstEagles1 game · 5.0 flags a game againstCowboys1 game · 8.0 flags a game againstSteelers1 game · 5.0 flags a game againstBrowns1 game · 9.0 flags a game against