Floyd Mayweather's adviser: 'Clock is ticking' on negotiations with Manny Pacquiao

Manny Pacquiao’s representatives appeared ready today to pull the plug on a proposed Floyd Mayweather fight March 13, while Mayweather’s camp still held out hope for an 11th-hour resolution. Neither side moved significantly on the drug-testing issue that has hampered Mayweather-Pacquiao talks, and Pacquiao’s promoter told a newspaper and a Web site early today that he is pursuing other options. Leonard Ellerbe, Mayweather’s adviser, said “the time is coming” w…