pacquiao 's speed and work rate are expected to be his biggest weapon against mayweather when they take the ring in less than three weeks at the mgm grand garden area in las vegas .
pacquiao and his trainer freddie roach on monday after shapiro , most famed for representing oj simpson in 1995 , gave him a custom-made speed ball with mayweather 's face painted on it .
pacquiao 's speed and work rate are expected to be his biggest weapon against mayweather painted on it during a break from training on tuesday .