Reuters Sports News Summary

Following is a summary of current sports news briefs.

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 Paratriathalon 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 Games due to Tokyo's sweltering summer temperatures.

MLB roundup: Harper's slam caps Phils' stunning rally over Cubs

Bryce Harper hit a walk-off grand slam into the second deck in right field off Derek Holland in the bottom of the ninth inning to rally the host Philadelphia Phillies past the Chicago Cubs 7-5 on Thursday. The Phillies entered the ninth trailing 5-1 before exploding for six runs to secure the three-game series sweep. Brad Miller hit an RBI single with one out in the ninth to close within 5-2. Roman Quinn followed with an RBI single, and Rhys Hoskins was hit by a pitch before Harper's bomb.

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.

Tiger's charge fizzles in second 71 at BMW

Tiger Woods was unable to keep a mid-round charge going Friday and will have to rally over the weekend at the BMW Championship in order to qualify for next week's Tour Championship. Woods traded a pair of birdies and bogeys over his first nine holes at Medinah Country Club outside of Chicago to make the turn in even par for the second round. He then reeled off three birdies over the next six holes and was in prime position in the fairway on the par-4 16th hole.

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.

Osaka retires at Cincinnati with knee injury

World number one Naomi Osaka retired from the Cincinnati Masters with an apparent knee injury on Friday, less than two weeks before the start of her U.S. Open title defence. Osaka was trailing American Sofia Kenin in the third set of their quarter-final in Cincinnati when she sought treatment on her 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.