Marcus Browne

About

Professional light heavyweight known primarily for his southpaw fighting style. He is typically referred to by his stage name Sir. 

Before Fame

As an amateur, he participated at the 2012 Summer Olympics in London, England. 

Trivia

He made his professional boxing debut on November 9, 2012 at the age of 21.

Family Life

He is a native of Staten Island, New York.

Associated With

He has fought against Artur Beterbiev during his professional fighting career.