Jordan Spieth (R) of the United States shakes hands with Justin Thomas of the United States on the 16th green after Spieth won their match 3&2 during the third round of the World Golf Championships-Dell Match Play at the Austin Country...More

Kevin Na of the United States reacts to a poor tee shot on the second playoff hole with Rory McIlroy during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.

Kevin Na of the United States reacts to a poor tee shot on the second playoff hole with Rory McIlroy during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.

Rory McIlroy of Northern Ireland (R) watches his tee shot on the 15th hole as Kevin Na of the United States looks on during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in...More

Rory McIlroy of Northern Ireland reacts to his tee shot on the third hole during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.

Rory McIlroy of Northern Ireland hits his tee shot on the second hole during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.

Rory McIlroy of Northern Ireland reacts to his tee shot on the second hole during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.

Rory McIlroy of Northern Ireland reacts to his tee shot on the second hole during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.

Jordan Spieth of the United States speaks with the media behind the 16th green during the third round of the World Golf Championships-Dell Match Play at the Austin Country Club on March 25, 2016 in Austin, Texas.