Sepp Straka shot an 8-under 64 on while his top competitors failed to match his sizzling pace at The American Express.

Sepp Straka shot an eight-under 64 on Saturday in his third straight bogey-free round; Austrian has four-shot lead over Charley Hoffman, Jason Day and Justin Lower; watch the final round of the American Express,

Straka’s round at La Quinta in many ways was the reverse of what might have been expected. Playing the back nine first, Straka made six birdies on the way to a 30, the kind of score generally associated with the front nine at the course that opened in 1959.