Mariel Zagunis Lithuanian:«agunis (born March 3, 1985) is an American Olympic sabre fencer. Zagunis won the first U.S. gold medal of the Beijing Games, leading an American sweep Saturday in womenƒ??s saber fencing. Zagunis took the gold with a 15-8 victory over Sada Jacobson, who won the silver. Becca Ward took the bronze.