If it 's not sorted in the next few days then it won't go ahead. Mayweather is playing games saying he now wants Olympic style random drug tests for Pac (never been done before in boxing). This is afetr he requested a heavier weight, heavier gloves, a bigger ring and ..."wiggle room" so that he didn't make the weight.
Pac has agreed to 3 blood tests and constant urine tests but doesn't want blood taken just before the fight as he feels it weakens him. So they're at a stalemate. Brillaint.