Scottie Scheffler delivered another example Saturday at Royal Portrush why he has dominated golf the last three years. He was the only player in the last eight groups not to make a bogey on his way to a 4-under 67 that allowed him to open a four-shot lead as he goes for the third leg of the career Grand Slam.

Scottie Scheffler shot a 4-under 67 at Royal Portrush Golf Club to improve to 14-under 199 – his lowest 54-hole total at a major