Anna Espar Llaquet, Heather Petri

Heather Petri and the U.S. held a commanding lead late but Anna Espar Llaquet (3) and the Spanish stormed back. (Julio Cortez/AP)

Heather Petri and the U.S. held a commanding lead late but Anna Espar Llaquet (3) and the Spanish stormed back. (Julio Cortez/AP)

Anna Espar Llaquet (3) of Spain reacts while defending against Heather Petri of the United States during a preliminary women’s water polo match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. (AP Photo/Julio Cortez)