A former IBA and International Boxing Council (IBC) Light Middleweight titleholder, he is the 2006 winner of the ESPN reality show, The Contender.

In his third and possibly hardest fight, Grady defeated Norberto Bravo, after being knocked down in the opening round.

[1] On September 26, 2006 at the Staples Center in Los Angeles, California, Grady defeated Steve Forbes for the Contender title and championship by split decision.

In 2008, Brewer defeated fellow Contender contestant Cornelius Bundrage by split-decision in a 12-round IBO title eliminator.

On August 22, 2009, Brewer defeated Albert Onolunose by knockout in the second round to capture the IBC Light Middleweight Title.