Rory McIlroy won the last two holes with birdies to force overtime and beat Billy Horschel on the second extra hole to make it to the weekend of the Match Play Championship.
Masters champion Jordan Spieth wasn't so fortunate. All square with two holes to play, Lee Westwood came up with the key shots to win on the 18th hole.
Even with a new format, one aspect hasn't changed about the Match Play -- many of the top players won't be sticking around for the weekend.
McIlroy and Jim Furyk were the only players from the top 10 to advance. Furyk had to go 19 holes to win, and only won his group when George Coetzee went 20 holes to beat Thongchai Jaidee.
It's single-elimination the rest of the way for 16 players.
Copyright AP - Associated Press
