It's a special edition of WORLD CHAMPIONSHIP BOXING when HBO Sports presents the exclusive delay broadcast of the welterweight showdown: FLOYD MAYWEATHER VS. ZAB JUDAH, airing SATURDAY, APR. 15 at 9:30 p.m. ET/ PT & 8:30 p.m. CT, on HBO. The HBO Sports broadcast team, which was ringside for the live event at the Thomas & Mack Center in Las Vegas, will call all the action. The fight took place on Apr. 8 and was carried live on HBO Pay-Per-View, featuring a 147-pound showdown between two accomplished prizefighters – Michigan native Floyd Mayweather and New Yorker Zab Judah.   Mayweather scored a unanimous decision to stay atop the mythical pound-for-pound rankings.  The tenth round was interrupted with five seconds remaining by a melee in the ring that included members of both fighter camps.  The boxing telecast will be also be replayed on HBO2 on Sunday, Apr. 16 at 8:00 a.m. and 5:30 p.m. and Tuesday, Apr. 18 at 11:00 p.m.  All times are ET/PT.