RIO DE JANEIRO -- Its no easy thing to push Usain Bolt, even in an Olympic warm-up race.Might be even tougher upstaging him.But that happened on a wild Wednesday night in track. It began with the Jamaican star exchanging smiles, then wagging his finger at a brash up-and-comer who dared challenge him in the 200-meter semifinals. It kept going with another Jamaican, Elaine Thompson, completing the first 100-200 womens double since 1988. And it closed with an American sweep of the hurdles to put the cherry on top of a seven-medal day for the United States on the track.Brianna Rollins, Nia Ali and Kristi Castlin finished 1-2-3 in the 100-meter hurdles to give the United States its first sweep in the event, its seventh in the history of Olympic track and the 23rd for U.S. women, regardless of sport, over the history of the Olympics.It was a not-all-unexpected result, though this might be an eye-opener: Both 2008 champion Dawn Harper-Nelson and the current world-record holder, Keni Harrison, were back home after failing to crack the top three at the Olympic trials.Also parading the stars and stripes were long-jumpers Tianna Bartoletta and Brittney Reese, who finished 1-2; steeplechaser Evan Jager, who won silver earlier in the day; and Tori Bowie, who added a 200-meter bronze to her 100 silver.Who wouldnt be thankful for another medal? Bowie said. Now, I have two.So does Thompson.The 24-year-old Jamaican got off to a strong start and held off reigning world champion Dafne Schippers, who belly flopped at the finish line, but finished .10 seconds behind.Thompson, who came into the Olympics nursing a hamstring injury, won in 21.78 seconds. She became the first woman since Marion Jones in 2000 to win both Olympic sprints. Jones records have since been stripped, so Thompson goes in the record book in place of Florence Griffith-Joyner, who starred in the 1988 Seoul Games.I had rough days training but I did not let that overcome me, Thompson said. Im a warrior, a strong girl. I guess hard work pays off.The evenings best entertainment came, as usual, from Bolt, who will go for his eighth Olympic gold medal Thursday.His main goal during the opening rounds is to conserve energy, which is exactly what he was doing when he looked to his right, saw Canadas Andre de Grasse a few steps behind and put it on cruise control.Only problem was, de Grasse, the bronze medalist in the 100, didnt back down. He sped up, caught up and, suddenly, the two were nose to nose, peering and smiling at each other down the stretch. Bolt leaned in to finish in 19.78 to win by a scant .02 seconds. He wagged his finger at the up-and-comer as they crossed the line.That was really unnecessary, Bolt said. I dont know what he was trying to do. Hes a young kid, hes great. He has a lot of talent. Im looking forward to the competition in the final.The competition wont include Justin Gatlin, who has given Bolt more run for his money than anyone over the past four years. In the evenings biggest stunner, Gatlin finished third in his heat and did not qualify for the final.He said he rolled an ankle in the run-up to the Olympics and was happy just to make it here.Probably, I should have rested it instead of running on it, said Gatlin, who finished second to Bolt in the 100.It was a lost medal opportunity for the Americans, for sure. But theyre ahead of the game.Their wins Wednesday gave them 19 for the meet -- five gold, seven silver and seven bronze -- which is already one more than they won through the entire world championships last year in Beijing.Decathlete Ashton Eaton is a candidate to add to that haul. The defending champion finished Day 1 with a solid 121-point lead over Kai Kazmirek of Germany.Another multi-sport athlete is Bartoletta, who won world championships 10 years apart -- in 2005 and 2015 -- and came to Rio de Janeiro hoping to medal in both the 100 meters and the long jump. The 100 didnt go well, but the long jump did. Bartoletta jumped 7.17 meters on her fifth of six attempts. Reese, the defending Olympic champion, had one last shot to pass her but came two centimeters short.Im going to eat a pizza, said Bartoletta, when asked how shed celebrate.Darya Klishina, the lone Russian in the entire meet due to a doping scandal in the country, finished ninth. She spent as much time in a hearing room as the jumping pit in the lead-in to the Olympics, while she appealed her own last-minute ban.The last week and a half before the competition was a total disaster, she said, and I think I didnt quite have enough today.While Russia regroups, the Americans march on.Bartoletta termed Americas strong finish Wednesday night an awesome hour.Bolt, who has his eyes on not only the win, but maybe another world record, is hoping his time will come Thursday night.I definitely think I can try for the world record, said the sprinter, whose current record in the 200 stands at 19.19 seconds. 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San Francisco opened the season with nine straight wins against the Padres.Not only did their domination of the Padres help the Giants post the best first-half record in the major leagues (57-33 at the All-Star break), it also tied the San Francisco Giants record for their best season-opening run against one team since the franchise moved west from New York for the 1958 season. The 1998 Giants opened the season by going 9-0 against the Marlins.But now it is up to Samardzija (9-5, 3.91 earned run average) to prevent the Giants from losing a second straight game to the Padres, who are 19-18 since the start of June.Samardzija has several things going for him, including the fact that his opponent is Rule 5 right-hander Luis Perdomo. The 23-year-old is 3-4 with a 7.48 ERA, although he allowed seven runs over 18 innings (a 3.11 ERA) in his last three starts of the first half.Samardzija is 2-1 with a 1.57 ERA in three career starts at Petco Park. The Padres have hit only .177 against Samardzija at Petco Park.I like pitching in San Diego, Samardzija said recently. I like the ballpark. It plays fair. If you make good pitches, you get outs.Samardzija owns a career 6-1 record against the Padress with a 2.dddddddddddd90 ERA in nine starts. He is 3-0 against the Padres this year with a 3.10 ERA in three starts covering 20 1/3 innings.While the Giants are looking toward another even-numbered World Series title, the Padres are clearly in a rebuilding mode as evidenced by the Thursday trade that sent their most successful starter (Drew Pomeranz) to the Boston Red Sox for 18-year-old top prospect Anderson Espinosa.The Padres have been stockpiling young pitching prospects through the draft, trades and international signings.But they are also looking to Perdomo to develop into a front-line starter by the time the rebuild starts paying dividends around the 2019 season. Perdomo would be 26 at that time -- and could be the veteran of the rotation.I think were going to see Luis in our rotation for some time, Padres manager Andy Green recently. I like his stuff as well as his make-up. He doesnt rattle.Perdomo is making great strides, said Padres pitching coach Darren Balsley. We knew this could be tough when we started giving him more responsibility due to injuries and trades that affected our rotation.But Luis has reacted far better than we could have expected. Hes competitive. He wants to succeed. Hes learning on the job. Last year at this time, he was in Single-A. This has been a huge step for Perdomo and hes not only accepted it, hes eager for more. He has confidence in himself and poise. Wholesale JerseysWholesale Jerseyscheap jerseysCheap JersyesCheap Basketball JerseysCheap NHL Jerseyscheap jerseysCheap JerseysCheap JerseysCheap Jerseys From ChinaCheap NFL Jerseys ' ' '