Complex sentence: On February 13,2010, Donaire faced Manuel "Chango" Vargas for his first defense of the Interim WBA Super Flyweight title at the Las Vegas Hilton in Las Vegas, Nevada.
Split into simpler sentences: On February 13,2010, Donaire fought Manuel "Chango" Vargas to defend for the first time his interim WBA super flyweight title. The fight took place at the Las Vegas Hilton in Las Vegas, Nevada.