Xander Schauffele ran off four straight birdies to lead an onslaught of red scores on the board Sunday and the Americans made the outcome as inevitable as it usually is, winning the Presidents Cup for the 10th straight time. Sam Burns completed an unbeaten week, Russell Henley capped off his impressive debut in the Presidents Cup and Keegan Bradley — the Ryder Cup captain next year — delivered the clinching point when Si Woo Kim missed a 10-foot putt putt on the 18th hole.