Mayweather vs. Pacquiao contracts still not signed for May 2 boxing PPV

So, how come there are no tickets available for the Floyd Mayweather vs. Manny Pacquiao super fight, which goes down in less than two weeks (Sat., May 2, 2015) inside MGM Grand Garden Arena in Las Vegas, Nevada? Probably because Mayweather and Pacquiao have yet to sign their contracts. That puts the biggest boxing fight of all time in a state of limbo as the promoters bicker over who gets what, something that was thought...