From HBO.com

DOUBLE HEADER THIS SATURDAY NIGHT

Undefeated Miguel Cotto takes on the man who put legendary Arturo Gatti into retirement, Alfonso Gomez in the main event this Saturday night.

In the opening match, two welterweight stars, Kermit Cintron and Antonio Margarito meet for the second time to settle the score after Margarito KO’ed Cintron in their first encounter.

The action starts at 10:00 PM ET/7:00 PM PT, live on HBO World Championship Boxing.

COUNTDOWN TO HOPKINS-CALZAGHE

Then, immediately following World Championship Boxing, the half-hour special Countdown To Hopkins-Calzaghe debuts. Follow Joe Calzaghe as he prepares for his first fight in the United States and boxing legend Bernard Hopkins. Check the schedule for details!

And don’t miss them face off next Saturday night presented by Planet Hollywood Resort & Casino, from the Thomas and Mack Center in Las Vegas at 9:45 PM ET/6:45 PM PT.