John McCarthy

Professional MMA referee — 1,487 bouts officiated on record.

1,487

Bouts

525

KO/TKO

421

Submission

508

Decision

Finish rate (of decided bouts) 65 %

Where they've officiated

Recent bouts officiated

Delian Alishahi vs James Cannon 2026-07-08

Tuff-N-Uff - Tuff-N-Uff 155 · TKO (Arm Injury)

Salhahuddin Everett vs Armus Guyton 2026-07-08

Tuff-N-Uff - Tuff-N-Uff 155 · Submission (Rear-Naked Choke)

Justin Vazquez vs Miguel Barrientos 2026-07-08

Tuff-N-Uff - Tuff-N-Uff 155 · Decision (Unanimous)

A.J. McKee vs Salamat Isbulaev 2026-06-27

Professional Fighters League - PFL San Diego: McKee vs. Isbulaev · Decision (Unanimous)

Shimon Smotritsky vs Perry Stargel 2026-06-05

Tuff-N-Uff - Tuff-N-Uff 154 · Decision (Unanimous)

Devon Jackson vs Shamel Findley 2026-06-05

Tuff-N-Uff - Tuff-N-Uff 154 · TKO (Punches)

Iler Bakhtiyar Uulu vs Tsogookhuu Amarsanaa 2026-06-05

Tuff-N-Uff - Tuff-N-Uff 154 · Decision (Unanimous)

Miguel Suazo vs Dmitriy Makhotskiy 2026-04-24

Tuff-N-Uff - Tuff-N-Uff 153 · TKO (Elbows and Punches)

Jeremiah Robinson vs Daniel Keepers 2026-04-24

Tuff-N-Uff - Tuff-N-Uff 153 · Decision (Unanimous)

Justin Vazquez vs Canaan Kawaihae 2026-04-24

Tuff-N-Uff - Tuff-N-Uff 153 · TKO (Knee to the Body and Elbows)

Sean Gauci vs Liam Gittins 2026-04-16

Professional Fighters League - PFL Belfast: Kelly vs. Wilson · Decision (Unanimous)

David Martinez vs Giannis Bachar 2026-04-16

Professional Fighters League - PFL Belfast: Kelly vs. Wilson · Submission (Rear-Naked Choke)

Pedro Carvalho vs Sergio Cossio 2026-04-16

Professional Fighters League - PFL Belfast: Kelly vs. Wilson · Decision (Unanimous)

Eoin Sheridan vs Chris Mixan 2026-04-16

Professional Fighters League - PFL Belfast: Kelly vs. Wilson · Decision (Unanimous)

Dovletdzhan Yagshimuradov vs Tyson Pedro 2026-04-16

Professional Fighters League - PFL Belfast: Kelly vs. Wilson · Decision (Unanimous)