"I dug deep when I needed to," McIlroy said.
"Lee played well and pulled off the shots when he needed to at the end," Spieth said. "And I didn't."
With a new format, one element didn't change about this fickle tournament. The top players didn't make it to the weekend.
McIlroy (No. 1) and
Furyk had to go 20 holes to beat
"Kind of an awkward feeling," Furyk said.
Friday was all about elimination, and it came in all shapes and sizes — a battle of undefeated players, a three-way playoff and some head-to-head tiebreakers.
Keegan Bradley and
That was only a sideshow on a day filled with far more interesting developments.
— Twelve players who won their groups went 3-0.
— Four players who advanced were the lowest seed in their group, with
— Tommy Fleetwood of England had to play 58 holes to reach the round of 16 in his first Match Play Championship.
It's single elimination the rest of the way, with the quarterfinals set for Saturday afternoon, the semifinals Sunday morning and then the championship match.