Mariel Zagunis of USA celebrates her final point against Alejandra Benitez of Venezuela in the women's individual sabre gold medal match during the Guadalajara 2011 Pan American Games, at the Fencing stadium in Guadalajara, Mexico, on October 25, 2011. Zagunis won 15-13. AFP PHOTO/OMAR TORRES (Photo credit should read OMAR TORRES/AFP/Getty Images)
U.S. flag-bearer Mariel Zagunis
Two-time fencing gold medalist Mariel Zagunis has been chosen as the flag-bearer for the United States in Friday's Opening Ceremony.