Watch Bare Knuckle Fighting Championship 4 (2019) Online
- RUNTIME: 3h 0m
- COUNTRIES: United States of America
'Bare Knuckle Fighting Championship 4: USA vs Mexico' was a bare-knuckle fighting event held by Bare Knuckle Fighting Championship on February 2, 2019 at the Beto Ávila Stadium in Cancun, Mexico. This was the first international bare-knuckle boxing event by Bare Knuckle Fighting Championship (BKFC).
