Usain Bolt and Justin Gatlin moved closer to setting up the biggest duel of the world track and field championships, striding into the semifinals of the 100 meters with victories in their heats on Saturday in Beijing.

Gatlin upstaged the Jamaican with the top time in the first round, even though the American got a little push from nature with a strong back wind of 2.1 meters per second during his 9.83-second race. Bolt faced a slight headwind as he cruised to a time of 9.96, the fifth fastest overall.

"It was OK. It was not perfect," Bolt said.

The semifinals and final are both Sunday.

In other opening-day events, gold medals went to Christina Schwanitz of Germany in women's shot put, Ghirmay Ghebreslassie of Eritrea in the men's marathon and Mo Farah of Britain in the 10,000 meters. Farah tripped over another runner's foot with less than 400 meters to go but steadied himself for his second world gold at that distance.

Hassan Mead, 26, a state cross-country champion at Minneapolis South High School and nine-time Big Ten champ in track and cross-country with the Gophers, finished 15th in the 10,000 with a time of 28:16.30.

newsmakers

Awarded $8.9 million: Michael Jordan after a grocery-store chain invoked his name in a steak ad without his permission. Jordan said that he'll give the damages award to charities in Chicago.

Left school: TCU receiver and kick returner Cameron Echols-Luper. Echols-Luper played 24 games the past two seasons for TCU, which opens the 2015 season against the Gophers.

NBA-bound: Center Sasha Kaun, who agreed to a two-year contract with the Cleveland Cavaliers. Kaun, 30, was a 2008 second-round pick, but has spent his career overseas.

tennis

A Djokovic-Federer final; Serena also wins

Novak Djokovic had to rally against a lowly qualifier to get another shot at a title he's never won. Next in his way: Roger Federer, who has more Cincinnati trophies than anyone else.

Djokovic pulled away to a 4-6, 7-6 (5), 6-2 victory over Alexandr Dolgopolov to reach the Western & Southern Open final.

He'll face Federer, a six-time champion who has never lost a Cincinnati title match. Federer won the marquee matchup of the semifinals, using his steady serve to beat Andy Murray 6-4, 7-6 (6). The defending champion is trying for an unprecedented seventh title in Cincinnati.

On the women's side, defending champion Serena Williams gave herself a chance to make it two Cincinnati titles in a row. She beat 14th-seeded Elina Svitolina 6-4, 6-3.

Williams will face third-seeded Simona Halep, who beat Jelena Jankovic 6-1, 6-2 in the other semifinal.

AROUND THE HORN

Motocross: Ryan Dungey of Belle Plaine, Minn., raced to his fifth consecutive victory and seventh of the year in the Lucas Oil Pro Motocross Championships' season-ending Ironman National in Crawfordsville, Tenn. Dungey, the Red Bull KTM rider who wrapped up his third 450 Class season title last week, won the first moto and was second in the second en route to his 45th career overall victory.

IndyCar: Helio Castroneves won the pole for Sunday's race in Long Pond, Pa., with a two-lap average of 220.530 mph. Castroneves is in fourth place in the series standings, 58 points behind Juan Pablo Montoya, with two races left.

Formula One: Lewis Hamilton topped Mercedes teammate Nico Rosberg in qualifying for the Belgian Grand Prix, becoming the first driver in 14 years to take six consecutive pole positions. The defending series champion has won 10 poles in all this season.

Horse racing: Ridden by Hall of Famer Gary Stevens, Beholder romped to an 8 ¼-length victory in the $1 million Pacific Classic at Del Mar, becoming the first female to win the Grade 1 race. Beholder earned an automatic berth in the $5 million Breeders' Cup Classic on Oct. 31 at Keeneland. The winning margin was the second-largest in the race's 24-year history.

MLS: Jozy Altidore scored twice in Toronto FC's 5-0 home victory over Orlando City. ... Jack McInerney scored the go-ahead goal in the 88th minute in his home debut and the Columbus Crew beat Sporting Kansas City 3-2.

Women's volleyball: The United States started the World Cup with a 25-15, 25-22, 25-15 victory over South Korea in Matsumoto, Japan. The Americans never have won the World Cup but made the podium in each of the past three editions.

TODAY'S NUMBER

1Premier League victories for Bournemouth in the soccer team's 125-year history after its 4-3 victory over West Ham on Saturday. Three of the goals were scored by 23-year-old Callum Wilson. Bournemouth, which came close to going out of business and dropping out of the fourth professional division in the last decade, had lost its first two Premier League games without scoring.