NFL Week 9 Referee Assignments: Penalty Trends Set Up Three Key Matchups

Week 9’s most revealing officiating angles aren’t just about how many flags crews throw. They’re about where those calls could meet each team’s habits: Houston and the Chargers both struggle with offensive holding, Green Bay and New England bring volatile third-down penalty numbers, and Buffalo’s penalty profile collides with Minnesota’s unusually clean defense.

Those three matchups feature Alex Moore, Alex Kemp and Carl Cheffers. Their crews’ tendencies offer useful context for how the games may flow, though past records and penalty rates are signals rather than guarantees. The full Week 9 slate has 15 assignments, from Brad Allen in Ravens-Jaguars to Cheffers in Bills-Vikings.

Week 9 referee assignments

The league-wide backdrop matters. Through eight weeks, offensive holding and false starts make up 40% of all penalties, slightly above the 2025 share. Week 8 produced the most false starts of any week in the past decade. That puts extra weight on the crews assigned to offenses already prone to pre-snap mistakes or holding.

Houston’s line faces a difficult matchup with Moore

The Texans visit a Chargers team that has yet to win, despite both clubs reaching the playoffs in 2025. Houston comes off a bye and has a manageable schedule ahead; a loss would deepen the pressure to reassess its season with the trade deadline approaching. The game is at SoFi Stadium, which the source describes as effectively neutral for Sunday.

The clearest statistical concern is up front. Offensive holding and false starts account for 43% of Moore’s penalties, with holding the larger contributor. His crew ranks second in penalties per game in that combined category. Both Houston and Los Angeles are among the five most penalized teams for offensive holding.

The Chargers’ exposure is broader: holding and false starts make up a league-high 55% of their penalties. Houston’s share is 45%, still above the league average. The Texans also rank among the 10 best at drawing false starts from opponents, while the Chargers are among the 10 most penalized teams for pre-snap infractions and rank second in false starts.

That overlap could make the line of scrimmage the game’s defining area. Los Angeles needs to avoid putting itself behind schedule, while Houston’s ability to induce pre-snap errors gives it another route to disrupt drives. Moore’s 2026 results add a curious wrinkle: home teams are 1-6 on the moneyline and 1-6 against the spread in his games, and his contests are 5-1-1 under the total.

The source favors Houston by a margin, citing the Texans’ bye-week reset, their prior two wins over the Chargers and the matchup’s penalty profile. The Chargers’ winless start invites a turnaround argument, but the more concrete case rests on Houston’s ability to pressure a vulnerable offensive line and make Los Angeles pay for pre-snap errors.

Kemp’s crew could swing third downs in Green Bay-New England

Jordan Love and Drake Maye meet in a high-profile game between two 5-3 teams with difficult schedules ahead. Green Bay and New England average the same number of false starts and offensive holding penalties per game, but the Packers’ home-road split stands out: they rank among the five least penalized teams for holding at home and the five most penalized on the road.

Kemp’s crew ranks sixth in offensive holding penalties per game. Both teams are also among the 10 most penalized for pre-snap infractions, and both offenses rank among the 10 biggest beneficiaries of defensive pass interference calls. That creates several ways for flags to extend drives or erase progress.

The sharpest edge may come on third down. The Packers’ defense ranks first and the Patriots’ third in allowing automatic first downs on third-down plays. Across the league, offenses earn 33.5% of their automatic first downs on third down; that share rises to 44% for Green Bay and 43% for New England. Kemp’s crews award 40% of their automatic first downs on that down and distance, placing them among the five highest by total count. With those tendencies aligned, one third-down flag could carry outsized weight.

Kemp-officiated games also average the most interceptions per game in 2026. That stat adds another possible source of swings in a matchup where both teams have the tools to turn a long drive into a sudden change of possession.

His historical results point in different directions. Since the start of the 2024 season, favorites are 38-4 on the moneyline and 33-8-1 against the spread with Kemp; this season they are 6-1 and 5-1-1, respectively. Green Bay already played one Kemp game in 2026, winning and pushing as a favorite at Tampa Bay in Week 4. New England lost as an underdog at Jacksonville in Week 2. In Kemp’s career, non-conference games are 16-11 over the total; this is his first such game this season.

The source leans toward Green Bay with the points, pointing to the NFC and the Packers’ extended rest, while acknowledging the strong record for Kemp’s favorites. Its read on the total is more decisive: both offenses could start aggressively, and the referee’s non-conference history supports the prospect of a high-scoring, back-and-forth game. The figures make third-down discipline and turnover avoidance especially important to watch.

Cheffers brings a striking contrast to Bills-Vikings

Monday night’s finale matches two 6-1 teams with sharply different profiles: Buffalo’s high-powered offense against Minnesota’s defense. The Vikings are the league’s least penalized team at the midpoint, while the Bills rank third in penalties per game and second in road penalties per game.

Cheffers’ crew ranks second in awarding automatic first downs on third-down plays. Buffalo’s offense and defense together average the most automatic first downs by penalty per game; Minnesota’s combined rate is the lowest. Buffalo is also among the 10 most penalized teams for offensive holding, and its offense is the league’s leading beneficiary of defensive holding calls.

That sets up a direct test of Minnesota’s discipline. Through seven games, the Vikings had not recorded an accepted defensive pass interference or defensive holding penalty. Cheffers’ crew ranks first in illegal-contact calls and fifth in defensive pass interference calls. A defense that has largely avoided those flags now faces a crew that calls them often, while Buffalo has a history of benefiting from defensive holding.

Cheffers’ home-underdog record provides another point of context. Home underdogs are 30-19-3 against the spread with him over the past decade, including a 3-1 mark in 2026; all three home underdogs that covered this season won outright. Minnesota is 4-0 at U.S. Bank Stadium in Cheffers-officiated games.

The source sees a potential bounce-back spot for the Vikings after their unbeaten run ended in Detroit and criticism intensified during the week. Buffalo started slowly against a depleted Baltimore team last week before pulling away late. Minnesota’s home record and the matchup between its low-penalty defense and Buffalo’s penalty-heavy profile support the source’s preference for the Vikings as home underdogs. The deciding question is whether Minnesota can keep its defensive record intact against a crew with a high rate of contact calls.

Career patterns across the Week 9 crews

The long-run records for the other assigned referees add context, though each reflects results rather than a cause of them. Brad Allen’s games since 2016 have produced an 83-59-1 home-team moneyline record, a 73-67-3 home-team spread record and an 83-60-1 mark under the total. Craig Wrolstad’s games since 2016 have seen home teams go 81-80 on the moneyline and 67-91-3 against the spread; home underdogs are 26-45-2 against the spread, including 5-4 in 2025.

Alan Eck’s home teams are 33-16 on the moneyline and 28-21 against the spread in his career as a head referee. His games went over 11-6 in 2025. Clay Martin’s career totals stand at 64-61-3 under, while true home teams are 64-61 on the moneyline and 55-67-3 against the spread. In Martin’s divisional games, home teams are 21-27 on the moneyline and 17-31 against the spread.

Adrian Hill’s home teams are 57-55 against the spread in true home games, and his career totals are 62-50-1 under. Divisional games with Hill are 19-12-1 under. Land Clark’s home teams are 38-55-2 against the spread; his career totals are 50-45-1 under, though his games went over 10-6 in 2025. John Hussey has a stronger home-team history: 113-51 on the moneyline and 98-61-5 against the spread since 2016. In 2025, home teams were 11-6 on the moneyline and 9-8 against the spread in his games.

For the remaining crews, Clete Blakeman’s home teams are 77-84-3 against the spread since 2016; divisional home teams are 31-28 on the moneyline, and divisional totals are 30-29 over, including a 4-2 under mark in 2025. Ron Torbert’s games have gone under 75-60-1 since 2018, while true home teams are 58-73-1 against the spread over that span. Scott Novak’s home teams are 44-64-3 against the spread in his career, the lowest percentage among referees since his 2019 debut; divisional home teams are 13-22-1.

Shawn Hochuli’s career includes a 58-68-4 spread record for true home teams and a 74-55-2 under record. In divisional games, his crews are 31-16-1 under; home teams went 7-10 against the spread in 2025. Shawn Smith’s true home teams are 61-62-5 against the spread, and his career totals sit at 65-65-1, including a 9-8 under record in 2025. Alex Kemp’s broader career figures show home teams at 65-67-2 against the spread, while divisional home teams are 19-22 on the moneyline and 17-24 against the spread; divisional totals are 20-20-1.

These records give the week’s assignments useful history, but the clearest matchups are the ones where a crew’s calling pattern meets a team’s established weakness. Houston’s line, third-down contact in Green Bay-New England, and Minnesota’s ability to avoid defensive flags against Buffalo are the details most likely to shape how these games unfold.

Best Bets: ATS & Game Total Picks · Referee Assignments & Penalty Trends · First & Anytime Touchdown Picks · Parlay Picks & Same Game Parlays · Weather Betting Impact · Odds & Picks · Prop Odds & Picks · Implied Totals · Injury Report · Matchups Tool · Fantasy Cheat Sheet