- Born
- December 17, 1962 (age 63)
- Place of birth
- Los Angeles, California, USA
- Also known as
- 'Big' John McCarthy, Big John McCarthy
- Titles
- 8 titles
Biography
John Michael McCarthy (born October 12, 1962) is a retired American mixed martial arts (MMA) referee best known for officiating numerous bouts promoted by the Ultimate Fighting Championship (UFC), dating back to UFC 2.
