Bare Knuckle Fighting Championship 4
'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).
- Country : United States of America
- Genre : Action, Documentary
- Director :
- Cast : Leonard Garcia, Julian Lane, Bec Rawlings, Cecilia Ulloa Flores, Joey Beltran, Tony Lopez