Reuters Sports News Summary

Following is a summary of current sports news briefs. Warriors must crank up defense against relentless Raptors, Kerr says

The Golden State Warriors may be one of the NBA's highest scoring teams but their defense must be at a premium if they are to even the NBA Finals with the Toronto Raptors, coach Steve Kerr says. "Transition and other areas of our defensive game were really lacking and we have to clean up," the Warriors coach told reporters on Saturday. Golf: Liu, Boutier head crowded leaderboard at U.S. Women's Open

China's Yu Liu joined Celine Boutier of France at the top of a crowded U.S. Women's Open leaderboard after the third round at Charleston, South Carolina on Saturday. Boutier drove the ball with unerring accuracy en route to a 69 while Liu recovered from an early bogey to pile up six birdies and card a five-under-par 66 that matched the best score of the day. Kaymer leads Scott by two shots after 54 holes at Memorial

Former world number one Martin Kaymer surged into a two-stroke lead over Adam Scott after the third round at the Memorial tournament in Dublin, Ohio on Saturday. Two-times major champion Kaymer, without a win since his eight-shot victory at the 2014 U.S. Open, notched six birdies in a flawless six-under-par 66 at Muirfield Village. French Open draw opens up for all-business Barty

Ash Barty has reached the last 16 of the French Open for the first time without dropping a set along the way and, even if the Australian says she is not looking too far ahead, a pathway deep into the second week opened up for her on Saturday. The 23-year-old, who has risen to eighth in the world on the back of a sparkling recent run of form, breezed past German Andrea Petkovic 6-3 6-1 in the third round at Roland Garros. MLB roundup: Kershaw exits before Dodgers win on walk-off HR

Rookie Will Smith hit a walk-off home run in his fourth career game as the Los Angeles Dodgers remained undefeated in Clayton Kershaw starts with a 4-3 victory Saturday over the visiting Philadelphia Phillies. Smith, who was called up this week when Austin Barnes went on the injured list, lifted a full-count split-finger pitch from Hector Neris (1-2) in the ninth inning into the left-field corner for his first career home run. The Dodgers won for the eighth time in their last nine games. Bruins rout Blues in Game Three to take 2-1 lead

The Boston Bruins routed the St. Louis Blues 7-2 on Saturday to take a 2-1 lead in the Stanley Cup Finals. The Bruins scored three first-period goals to seize control of Game Three in St Louis, Patrice Bergeron netting on a power-play at 10:47 before Charlie Coyle and Sean Kuraly followed up to give the visitors a comfortable lead. Double team me and somebody is open, says Toronto's Leonard

Kawhi Leonard knows the Golden State Warriors will throw another massive share of double teams at him in Game Two of the NBA Finals on Sunday, but the Toronto forward is happy for the attention if it helps the team. "I come into the game just trying to win," the three-time NBA All-Star told reporters on Saturday. Joshua suffers stunning defeat to Ruiz Jr

Andy Ruiz Jr. dethroned British title-holder Anthony Joshua with a stunning seventh-round stoppage at New York's Madison Square Garden on Saturday to become the first Mexican-American world heavyweight champion. Joshua, previously undefeated and fighting for the first time in the United States, was defending his IBF, WBA and WBO titles but was knocked down four times in the fight before the referee waved off the contest in the seventh. Serena's pursuit of 24th major title on hold after French Open exit

Serena Williams's quest for a record-equaling 24th Grand Slam singles title was put on hold on Saturday after the former world number one was knocked out of the French Open in the third round following a 6-2 7-5 defeat by fellow American Sofia Kenin. Chasing Margaret Smith Court's all-time record, which was built over the amateur and professional eras, Williams failed to recover from a woeful opening set on Court Philippe Chatrier. Wawrinka relishes second career shot as he lines up Tsitsipas

Stan Wawrinka is relishing a second shot at his career after returning from a nightmare spell of injuries and now has the opportunity to confirm his title credentials at Roland Garros when facing Stefanos Tsitsipas in Sunday's last-16 clash. The 2015 Roland Garros champion, who took three straight tiebreaks to overcome Grigor Dimitrov 7-6(5) 7-6(4) 7-6(8) and record his 500th career win on Saturday, said he was playing his best tennis since undergoing multiple knee surgeries in 2017.