CLASH OF THE HEAVYWEIGHT TITANS WHEN TYE FIELDS (6’ 9”) FACES MICHAEL GRANT (6’ 7”); CASAMAYOR VS. ANCHONDO IN BATTLE OF EX-WORLD CHAMPIONS ON PER-VIEW CARD FRIDAY, MARCH 11, AT PLANET HOLLYWOOD IN LAS VEGAS Ron ‘The American Dream’ Johnson, Aaron Williams in title bout highlight undercard A clash of heavyweight titans, matching 6-foot-9-inch Tye…