Gary 'Spike' O'Sullivan vs. Berlin Abreu on May 4 on ESPN

By Dan Ambrose: Middleweight fringe contender Gary "Spike" O'Sullivan (27-2, 19 KOs) turned down a world title shot against IBF/IBO/WBA/WBC middleweight champion Gennady Golovkin for May 5, and instead he'll take a much smaller money fight against little known welterweight Berlin Abreu (14-1, 11 KOs) on May 4th on ESPN on the undercard of the […] Boxing News 24 - Twitter: @boxingnews24