Aaron was born in Mobile, Alabama, to Herbert Aaron Sr. and Estella (Pritchett) Aaron. His father worked as a shipyard riveter. [8 ] He had seven siblings. [9 ] Tommie Aaron, one of his brothers, also went on to play Major League Baseball.
He made his professional debut on September 18, 2004, against Gerardo Robles. [3 ] Aaron retired from the boxing in 2006 after an upset loss to the veteran Saul Ochoa, but returned in 2008.