Floyd Mayweather has challenged Nate Diaz to a fight on May 5 . Mayweather was sentenced to six months in jail for domestic violence in December . The 33-year-old is rated by Ring Magazine as the best pound-for-pound fighter in the world , with Mayweather second on the 10-man list following September 's knockout win over compatriot Victor Ortiz in Las Vegas . The American received permission to delay going to jail in order to fight in May . But Pacquiao says he would prefer to finally face his rival at the end of the month .
Floyd Mayweather has challenged Nate Diaz to a fight on May 5 . Mayweather was sentenced to six months in jail for domestic violence in December . The American received permission to delay going to jail in order to fight in May . But Pacquiao says he would prefer to finally face his rival at the end of the month .