Press Release: Both Oscar de la Hoya and Floyd Mayweather took part in the mandatory WBC 7-day safety weight check-ins from their respective training camps.   Stepping on the scale in Guaynabo, Puerto Rico and overseen by the Puerto Rico Boxing Commission President, Jose Penagaricano, De La Hoya weighed 158 pounds. "I'm ready and eagerly awaiting the sound of the bell."  Mayweather weighed in at the Las Vegas offices of Dr. Robert Voy. Dr. Cary Logan witnessed as Mayweather stepped on the scale and weighed 150 pounds.   "Nothing left to say. I am in tremendous shape and ready to go."  The fight will be contested at the junior middleweight limit of 154 pounds. De La Hoya vs Mayweather "The World Awaits" will be broadcast live on HBO Pay-Per-View on May 5, 2007 at 9 p.m. ET/6 p.m. PT.