FILE – In this April 30, 2010 file photo, Floyd Mayweather Jr. steps on the scale at a weigh-in ceremony before a WBA welterweight boxing title fight against Shane Mosley in Las Vegas. Mayweather, the undefeated six-time world champion, says on his Twitter feed Tuesday, June 7, 2011, he will end a 16-month hiatus from boxing when he faces WBC welterweight champion Victor Ortiz on September 17. (AP Photo/Mark J. Terrill, File)