The Open Championship: Scottie Scheffler Leading At Half-way Mark

Scottie Scheffler of the United States waits to putt on the 18th green during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Scottie Scheffler of the United States, right, shakes hands with Shane Lowry of Ireland,center and Collin Morikawa of the United States looks on, as they complete their second round of the British Open golf championship, on the 18th green, at the Royal Portrush Golf Club, Northern Ireland.

Scottie Scheffler of the United States plays out of the rough on the 17th hole during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Haotong Li of China plays from the rough on the 12th hole during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Scottie Scheffler of the United States waits to putt on the 8th green during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Scottie Scheffler of the United States hits his tee shot on the 8th hole during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Li Haotong of China plays his the shot on the 16th tee during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Scottie Scheffler of the United States plays a shot on the 7th fairway during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Brian Harman of the United States acknowledges the crowd after making a birdie putt on the 18th green during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Brian Harman of the United States chips onto the 16th green during the second round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.

Scottie Scheffler of the United States chips onto the 9th green during the first round of the British Open golf championship at the Royal Portrush Golf Club, Northern Ireland.