McIlroy led by six shots going into the final round and never let anyone closer than two shots. He closed with a 1-under 71 for a two-shot victory over Sergio Garcia and Rickie Fowler.
Garcia put up the biggest fight. He was two shots behind when he left a shot in the pot bunker right of the 15th green and made bogey. Birdies on two of the last three holes were not enough to catch McIlroy.
McIlroy won the 2011 U.S. Open and the 2012 PGA Championship. He joins Jack Nicklaus and Tiger Woods as the only players with three different majors at age 25 or younger.
STATELINE, Nev. (AP) - Mark Rypien beat out Jeremy Roenick and Annika Sorenstam to win the weather-delayed American Century Celebrity Golf Championship on Sunday.
Rypien took the title for the first time since winning the inaugural event in 1990.
Lightning storms delayed play for more than three hours.
Rypien ran away from Roenick and Sorenstam, putting up big Stableford points on his back nine, going 5 under for a record-breaking third-round total of 33 points and 76 throughout the three-day event at Edgewood Tahoe Golf Course.
After finishing in second place in the past two years, Rypien broke through with a win in the 25th anniversary of the tournament.
SYLVANIA, Ohio (AP) - Seventeen-year-old Lydia Ko broke free from a late tie with So Yeon Ryu, hitting a wedge to 4 feet for birdie on the 72nd hole on Sunday to win the Marathon Classic.
She became the youngest player to top $1 million in career earnings on the LPGA Tour.
Ryu had poured in a big-breaking, 25-foot birdie putt on the 17th to pull even.
But then Ko stuck her approach at the par-5 closing hole and calmly rolled in the birdie putt for a 6-under 65 that left her at 15-under 269. It was her second LPGA win as a pro to go with the two Canadian Open titles she grabbed as an amateur.
Ryu pushed a 6-footer at the 18th that would have forced a playoff.
NIMES, France (AP) - Alexander Kristoff of Norway captured his second stage win of this year's Tour de France by leading a pack that dramatically overtook two breakaway riders with only about 50 meters left in Stage 15 on Sunday.
Vincenzo Nibali finished in the main pack to keep the overall lead.
After two days in the Alps, Sunday's stage offered some relief over a flat 222 kilometers (138 miles) from Tallard, southeast France's parachuting capital, toward the city of Nimes - known for its Roman arena and bullfighting.
Kristoff, a Katusha rider who also won Stage 12, lifted a fist after leading a bunch of sprinters who surged ahead of the two breakaways - Swiss champion Martin Elmiger and Jack Bauer of New Zealand - who had led the stage virtually since the starter's gun.
Bauer tapped his head on his helmet, sighed heavily, leaned over his bike and burst into tears after failing to win. In the last few hundred meters, he left Elmiger behind.
LOS ANGELES (AP) - Olympian Missy Franklin won the 200-meter freestyle and finished second in the 100 backstroke on the final night of the Los Angeles Invitational on Sunday.
Franklin won in 1 minute, 58.38 seconds, well ahead of Kylie Palmer of Australia, who touched second in 1:58.90.
In the 100 back, Olympian Elizabeth Pelton beat Franklin, winning in 1:00.57. Franklin, a teammate of Pelton at California, finished in 1:00.70. Mikka Sheridan of Australia was third in 1:02.20.
Olympian Matt Grevers won the 100 back in 54.00, lowering his own meet record set in 2011. Ashley Delaney of Australia also went under Grevers' old mark in taking second at 54.03.
The Americans used the meet as final preparations for next month's national championships in Irvine.
LOS ANGELES (AP) - Carol Ross has been fired as coach of the slumping Los Angeles Sparks, and she will be replaced by general manager Penny Toler for the rest of the season.
The team made the move on Sunday. The Sparks are in fourth place in the Western Conference, 8 1/2 games behind first-place Phoenix.
Ross had a 61-36 record in 2 1/2 years with the Sparks, including two playoff appearances. Toler says it was time to bring in a different energy to the team.
Also out is assistant coach Gail Goestenkors, who was elected to the women's Basketball Hall of Fame on Saturday.
Toler was the first woman to score a basket in the WNBA in 1997, when she played for the Sparks. She retired from playing in 1999 and became the team's general manager in 2000, presiding over the Sparks' back-to-back WNBA titles in 2001 and 2002.
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