Prichard Colón, boxer left with brain damage after 2015 fight, dies aged 33

• Puerto Rican suffered brain bleed in only defeat

• WBC blamed illegal blows to back of the head

• Colon had won his first 16 professional fights

The boxing world was in mourning Friday following the death of Puerto Rican fighter Prichard Colon at the age of 33, 11 years after he sustained brain damage in the only defeat of his professional career.

Colon's death was confirmed in statements by the World Boxing Council and the World Boxing Organization late Thursday.