Last updated Nov. 10, 2020

Challenge success rate

CoachReversalsChallengesSuccess %
1Kevin StefanskiCLE1331.000
Ron RiveraWAS 331.000
3Vic FangioDEN 221.000
Sean McVayLAR 221.000
Doug PedersonPHI 221.000
Pete CarrollSEA 221.000
7Matt NagyCHI 111.000
Andy ReidKC 111.000
Bill BelichickNE 111.000
10Matt PatriciaDET 23.667
Doug MarroneJAX 23.667
Adam GaseNYJ 23.667
Kyle ShanahanSF 23.667
14Mike ZimmerMIN 35.600
Bruce AriansTB 35.600
Replay boothNFL 68118.576
16John HarbaughBAL 24.500
Matt RhuleCAR124.500
18Raheem MorrisATL12.500
Matt LaFleurGB 12.500
Romeo CrennelHOU12.500
21Jon GrudenLV 13.333
Brian FloresMIA 13.333
Sean PaytonNO 13.333
24Zac TaylorCIN 01.000
Mike McCarthyDAL 01.000
Mike VrabelTEN 01.000
Dan Quinn(ATL)01.000
28Sean McDermottBUF 02.000
Anthony LynnLAC 02.000
Mike TomlinPIT 02.000
31Frank ReichIND 03.000
Total coaches’ challenges4175.547
Total all replays109193.565
¹-First-year head coach, not including interim assignments. †-No longer with team. ‡-Interim coach. Source: NFL game statistics, Football Zebras research. Bill O’Brien(HOU) did not challenge.

Replay reviews by type

Call on the fieldReversalsReviewsSuccess %
Pass completion2452.462
Runner broke the plane1624.667
Incomplete pass1722.773
First down915.600
Runner was not down by contact1013.769
Interception812.667
Fumble612.500
Short of the goal line69.667
Short of the line to gain29.222
Runner was down by contact28.250
Runner was inbounds24.500
Too many players on field23.667
Score13.333
Touchback12.500
Safety111.000
Loose ball recovery111.000
Pass was not tipped111.000
Legal forward pass01.000
Forward pass01.000
Source: NFL game statistics, Football Zebras research.