66 games analyzed over 4 seasonsUpdated Sep 30, 2026, 12:31 a.m.Compare
NFL official profile
Duane Heydt
66 games analyzed over 4 seasons
Official · NFL
Score vs average
46.4
+0.9 vs league average
66 games
Flags vs average
11.5
-0.9 vs league average
66 games
Close-game scoring
48.9
+2.5 vs league in tight games
37 close games
How games feel
Typical historical game environment associated with this official. Descriptive history only.
Near-average scoring environment
High evidence
Combined points sit close to the league average (46.4).
League average 45 combined points
Near-average flags volume
High evidence
Flags volume tracks the league baseline (11.5, -0.5).
League average 12 flags
Fewer late-game whistles
High evidence
In close finishes, whistle rate historically drops versus earlier periods after intentional-foul filtering.
Late-game profile: Swallows Whistle
Moderate game-to-game volatility
High evidence
Whistle volume varies moderately game to game in the scouting sample window.
Descriptive stability of whistle volume, not a market forecast
Multi-season sample on file
High evidence
Profile spans 4 seasons in this dataset (2022-23–2025-26).
Team effects versus baseline
Team performance comparisons are withheld until same-window team baselines clear sample gates. Raw records alone can overstate the official's relationship with strong or weak teams.
Historical environment
Scoring, whistle, and stability context from this official's verified sample versus league averages. Descriptive history only. Window: 2021-2026.
League comparison
Combined score
Official 46.4·Baseline 45.0·+1.4 vs leagueper game
Flags-0.5 vs league
Baseline 12.0·Official 11.5·per game · near baseline
Fewer flags than the nfl official baseline (-0.5 per game).
Over-benchmark rate 51.5% on verified closing lines in this dataset.
Whistle detail
Whistle profile
Whistle volume, penalty disposition, and high-leverage game-state tendencies.
Data confidence: High348 high-leverage minMinimum: 50 min
Stability
Sample size
66 games
Seasons on file
2022-23, 2023-24, 2024-25, 2025-26
Officiating style
Official Duane Heydt profiles as a balanced whistle mix over the last 50 games. Whistle volume stays relatively stable in high-stakes settings.
Balanced whistle mix · NFL
Loose / Game-FlowStrict / Rule-Enforcer
62% subjective, 38% procedural
62% subjective vs 38% procedural whistle mix.
32 of 50 sample games use event-level foul classification tags.
Not pressure-sensitive in the last 50 games.
Win/loss and line history
Straight-up and line-linked outcome history when provenance allows. Not a recommendation.
Historical outcome splits
Games66
Avg home score23.4
Avg road score23.1
+0.3
Straight-up home team record when this official works the game.
Straight-up wins and losses for the home team in games this ref worked; who won, ignoring the spread.
36-27-1
56.3% home win rate
N=66 games · NFL sample
Pressure
Late-game whistle tendency versus earlier periods. Zero on the scale is the neutral / no-shift anchor for this official (same whistle rate late as earlier), not a league average and not a betting recommendation.
Late-game whistle tendency
Swallows Whistle
Swallows whistleNeutral (0)Tightens up
Leverage index: -48% vs earlier periods (0 = no late-game shift)
Swallows the whistle: foul frequency historically drops in late close-game minutes after intentional-foul filtering. Neutral anchor is zero change versus earlier periods.
Swallows whistle means late close-game whistle rate is lower than earlier periods after intentional-foul filtering. Historical tendency only.
Tight-game proxy
Supporting evidence from close finishes in the verified sample.
Close-game proxy
How Duane Heydt compares in close-margin games vs the full sample. Based on official box scores.
Close games (≤7 pt margin)
37 of 66 games match this window
Avg combined points
Close-game avg
48.9
Season avg
46.4
Pressure impact
+2.5
Avg flags
Close-game avg
11.8
Season avg
11.5
Pressure impact
+0.3
Over rate
Close-game avg
48.6%
Season avg
48.5%
Pressure impact
+0.1 pp
Over benchmark: 44 combined points · Seasons: 2016-17, 2017-18, 2018-19, 2019-20, 2020-21, 2021-22, 2022-23, 2023-24, 2024-25, 2025-26 · 66 total games in sample
Pregame toss-ups (spread ≤5.5)
50 of 66 games match this window
Avg combined points
Toss-up avg
46.9
Season avg
46.4
Pressure impact
+0.5
Avg flags
Toss-up avg
11.5
Season avg
11.5
Pressure impact
+0.0
Over rate
Toss-up avg
46.0%
Season avg
48.5%
Pressure impact
-2.5 pp
Over benchmark: 44 combined points · Seasons: 2016-17, 2017-18, 2018-19, 2019-20, 2020-21, 2021-22, 2022-23, 2023-24, 2024-25, 2025-26 · 66 total games in sample
Related officials
Explore officials who frequently work with this official or show similar historical officiating patterns.
Frequent crew partners
Officials who have appeared on the same crew most often in the available dataset.
51.3% over · -0.7 whistlesimilar over rate · similar whistle tendency
Pre-Game Context
Refficacy Dimensions
Referee Efficacy Radar
66 games · 0-100 index where 50 marks league norm. Higher is not automatically better.
This officialLeague norm (50)
Run stoppages50 index
50
How often this crew whistles during opponent scoring runs.
Scoring pace54 index
50
Combined scoring in this crew's games versus league average.
Whistle mix62 index
50
Contact and administrative whistle share relative to league norms.
Home-side split48 index
50
Home versus away whistle or cover patterns in this crew's sample.
2 metrics excluded due to insufficient event data
Index scores computed from 50 logged games in analysis window
How to read this profile
Against the spread: whether the home team beat the sportsbook point spread (not just who won). A home line of −5.5 means the home team must win by 6+ to cover. and Did both teams’ combined score finish above (over) or below (under) the closing total set by sportsbooks before tip-off? tables use The spread and total sportsbooks posted near tip-off. ATS and O/U tables here use that number, not our fixed 225 benchmark. per game. ATS/O-U results are shown only where external closing-line data is available. Team penalty splits live on team pages. Tonight's assignment signals are on the NFL home page.
Ref×team W-L rebuilt from 2793 ESPN game logs (2016-2026). 4629/5986 ref×team pairs meet the 3+ game matrix gate. Ties are excluded from straight-up W-L. Ref game counts rebuilt from DISTINCT game_id in game logs.
Duane Heydt NFL Official Stats & Assignments | Ref Watch