BC-AP Sports Preview Digest

Some of the sports stories The Associated Press is covering Sunday. A full Sports Digest will be sent by about 3 p.m. All times EDT:

– LONDON – It takes Serena Williams all of 51 minutes to earn her 300th career Grand Slam match win and move into the fourth round at Wimbledon on what is only the fourth time in 139 years the tournament scheduled matches on the middle Sunday.

– OMAHA, Neb. – The final spots on the U.S. swim team are determined with the long and the short of it. The top two in the men's 1,500-meter freestyle and the women's 50 free will be headed to Rio, joining a squad that figures to lead the medal count at the Olympics. Finals start 7:45 p.m.

– OMAHA, Neb. – Led by Michael Phelps and Katie Ledecky, the U.S. swim team remains the most powerful in the world. There are some reasons to be concerned headed to Rio, however, from Ryan Lochte and Missy Franklin struggling at the American trials, to the lack of any world records in Omaha, to a roster that includes a bunch of Olympic rookies.

– OMAHA, Neb. – Forget a double take – the Litherlands left everyone seeing triple at the U.S. Olympic swimming trials. Jay, Kevin and Mick are triplets who competed in Omaha over the past week. While Jay is the only one to earn a spot in Rio, they'll all be going along for the ride.

– EUGENE, Ore. – Allyson Felix, LaShawn Merritt and Justin Gatlin are among the Americans who can secure Olympic spots in track and field.

– SAINT-DENIS, France – Host France plays Iceland, whose surprise progress at the European Championship has wowed the continent, for a place in the semifinals. Game starts 3 p.m.

– FORT BRAGG, N.C. – When the Miami Marlins and Atlanta Braves meet at Fort Bragg, it will be the first regular-season game of a professional sport played on an active military installation – a moment Major League Baseball Commissioner Rob Manfred said in March would be ''a unique event'' in honor of the military. News conference starts 6 p.m.

– FORT BRAGG, N.C. – Call it the All-Stars and Stripes game. Major League Baseball pays tribute to the troops with a game at the new ballpark at this vast U.S. Army post, with the last-place Atlanta Braves looking to continue their mastery of the wild-card-contending Miami Marlins. Game starts 8 p.m.

– AKRON, Ohio – Jason Day goes after his fourth victory of the year when he enters the final round of the Bridgestone Invitational tied with Scott Piercy.

– PORTLAND, Ore. – Defending champion Brooke Henderson enters the final round of the LPGA Cambia Portland Classic with a two-stroke lead over Colombia's Mariajo Uribe.

– DAYTONA BEACH, Fla. – Roger Penske celebrated his 100th win in NASCAR with Brad Keselowski's victory at Daytona. Then the team owner gave a fiery defense of his two drivers, who seem to fall on the wrong side of their opponents time and again.

– SPIELBERG, Austria – Lewis Hamilton wins the Austrian Grand Prix after colliding with Nico Rosberg on the final lap, a crash he blamed on his German teammate.

– CHERBOURG-EN-COTENTIN, France – British sprinter Mark Cavendish is defending the first Tour de France yellow jersey of his career during the second stage of the race.