The underdog Internationals bared their teeth on Saturday, outplaying the United States in a marathon day of golf to leave American fans stunned and the Presidents Cup suddenly up for grabs.

The heavily favored U.S. team had started the day with a commanding 8-2 advantage and in position to register a Presidents Cup first ¡ª securing the golden trophy on Saturday.

But the Americans took their foot of the gas, opening the door for the scrappy International team, which split the morning foursomes 2-2 and then took three of four points in the afternoon fourballs to chop the U.S. advantage to 11-7.