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

Sepp Straka's game has been almost as clean as his head through three rounds at The American Express. Straka shot an 8-under 64 on Saturday in his third straight bogey-free round, staking the newly bald Austrian to a four-shot lead over Charley Hoffman,

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,