In a special message to boxing fans, Bernard Hopkins describes what it takes to be a champion. Cloud vs. Hopkins happens Sat., March 9 at 9:30pm ET/ PT on HBO. For more information on HBO Boxing, visit http://itsh.bo/HQspBS. <br /><br />Watch HBO Sports series and events online at HBO GO® http://itsh.bo/mxUXD0.<br /><br />Watch HBO Boxing events on one screen, connect on another http://connect.hbo.com/hbo-boxing
