Promoter Bob Arum is uncharacteristically silent amid indications that the next few days will determine whether Floyd Mayweather Jr. and Manny Pacquiao share a ring together May 2.
Arum repeatedly declined to comment Tuesday about the possible megafight during an appearance at a media day for Chinese boxer Zou Shiming at trainer Freddie Roach's gym in Hollywood.
Arum says: ''I know nothing.''
The chairman of casino operator MGM Grand, though, at the same time dropped a tantalizing hint about the possible fight during a conference call with analysts to discuss the company's fourth-quarter earnings.
James Murren says: ''We hope it's a big, big fight. If it is the fight we hope it is, then it is the biggest fight.''