Oh, how the tables have turned.
Just a few months ago, it was Floyd Mayweather Jr. who was mercilessly taunting the Manny Pacquiao camp for its adamant refusal to take the drug tests he required. Now, the roles have reversed and even the sleaziest promoter in the business -- Top Rank boss Bob Arum -- is taking shots at the undefeated champion.
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Check out Arum's latest comments on the never-ending Pacquiao-Mayweather saga in the video below.