Former light heavyweight champion Antonio Tarver (R) of the U.S. works out with strength and conditioning coach Eric Hall in Las Vegas, Nevada May 6, 2009. Tarver will attempt to regain the IBF title he lost to Chad Dawson, also of the U.S., when the boxers meet for a rematch at the Hard Rock Hotel & Casino in Las Vegas on May 9. REUTERS/Las Vegas Sun/Steve Marcus (UNITED STATES SPORT BOXING)