Now that Floyd Mayweather Jr. has dispatched Shane Mosley, talk immediately turned to the potential showdown with Manny Pacquiao, who has apparently softened his stance on the drug testing procedures that derailed their negotiations in January.
When Pacquiao and Mayweather reached an impasse, Pacquiao went on to easily defeat Joshua Clottey on March 13 and Mayweather took a lopsided unanimous decision against Mosley in their welterweight super fight on Saturday night.
Mayweather, who accused Pacquiao of using performance-enhancing drugs despite having no evidence, had insisted on strict blood and urine testing, which …