Reuters Sports News Summary

Following is a summary of current sports news briefs.

MLB roundup: Yaz belts three homers in Giants' 11-inning win

Mike Yastrzemski hit three home runs, including a solo shot on the first pitch of the 11th inning, as the San Francisco Giants outlasted the Arizona Diamondbacks 10-9 Friday night in Phoenix in a wild game that featured 12 homers. It was the first career multi-home run game for Yastrzemski, a 28-year-old rookie who has five homers in his past four games and 11 since the All-Star break. He has 16 on the season.

Two-times welterweight world champion Napoles dead at 79

Two-times welterweight world champion Jose "Mantequilla" Napoles died on Friday in Mexico City aged 79, the World Boxing Council announced on its website. Cuba-born Napoles forged a Hall of Fame career, with a record of 81-7, including 54 knockouts.

E.coli risk forces Tokyo to cancel swim events at Paratriathlon World Cup

High levels of E.coli bacteria forced Tokyo officials to cancel the swimming segment of Saturday's Paratriathlon World Cup, a test event for next year's Paralympics. The health scare is the latest to highlight problems that could arise during next year's Summer Olympic and Paralympic Games due to Tokyo's sweltering summer temperatures.

Golf: Course record 63 lifts Matsuyama to halfway lead at BMW

Hideki Matsuyama had one of the best putting days of his career to take the halfway lead with a course-record nine-under 63 in the second round at the BMW Championship in suburban Chicago on Friday. The putter, so often the weak link in the Japanese player's game, did not let Matsuyama down as he cranked out nine birdies at Medinah, five times holing out from outside 15 feet.

Tennis: Gasquet sets up Cincy semi-final with Goffin

Frenchman Richard Gasquet continued his comeback from groin surgery by defeating 11th seeded Spaniard Roberto Bautista Agut 7-6(2) 3-6 6-2 in the quarter-finals of the Cincinnati Masters on Friday. Gasquet, who defeated Andy Murray in the opening round, set up a semi-final clash on Saturday with Belgian 16th seed David Goffin.

Doping: Seven more Russian weightlifters banned

Another seven Russian weightlifters have been provisionally suspended for doping violations, joining five compatriots already banned from the sport earlier this week. The International Weightlifting Federation said on Friday the seven had been charged based on data from the Moscow anti-doping laboratory.

U.S. safety agencies investigate plane crash involving racecar driver Dale Earnhardt Jr

Two U.S. safety agencies are investigating the crash of a small plane in Tennessee on Thursday that was carrying retired racecar driver Dale Earnhardt Jr., his wife and daughter, officials said. Earnhardt's sister Kelley said on Twitter the two pilots of the Cessna Citation and three family members were safe and being taken to a hospital for observation. There were no serious injuries, according to officials in Tennessee cited by media.

Knee injury puts Osaka's U.S. Open title defense in doubt

World number one Naomi Osaka will "probably" defend her U.S. Open title, even if it means defying her doctor's orders, she said after retiring from the Cincinnati Masters with a knee injury on Friday. Osaka was trailing American Sofia Kenin in the third set of their quarter-final in Cincinnati when she sought treatment on her heavily-strapped left knee.

NFL conditionally reinstates Patriots WR Gordon

Troubled wide receiver Josh Gordon was reinstated on a conditional basis by the NFL, the league announced on Friday. Gordon will be able to rejoin the New England Patriots on Sunday and is eligible to play in the regular season.

Murray to face Sandgren in Winston-Salem Open first round

Andy Murray will meet 72nd-ranked American Tennys Sandgren in the first round at the Winston-Salem Open as the British former world number one gives his surgically-repaired hip another test. The first round of the ATP 250 event in North Carolina will be played on Sunday and Monday. The day of Murray's match had yet to be announced.