New Zealands quest for a third straight World Rugby Sevens Series tournament triumph was ended on Saturday as they fell 14-7 to South Africa in a the quarter-finals in Las Vegas. Seabelo Senatla scored two first-half tries to give South Africa a 14-0 lead at the interval.Lewis Ormond reduced the deficit with a try for New Zealand in the second half, but they were unable to find another. South Africa, winners on home soil in Cape Town this season and three-time winners of the Las Vegas crown, will now take on Australia, who defeated Argentina 26-12 at Sam Boyd Stadium.The win over the Pumas came after a 36-7 pool triumph over England, in which Wallabies fly-half Quade Cooper scored his first Sevens try for Australia. Quade Cooper scores his first try in the World Sevens Series with a trademark step and offload. New Zealand, who came into the fifth stop in the 10-tournament series following wins in Wellington and Sydney, saw their hopes start to unravel with a shock 22-0 loss to Kenya in their final pool match on Saturday.Getting one over on the big boys is exciting for us, Kenyas Collins Injera said, after the upset gave them a perfect pool record.But there was heartache in store as the United States delighted their home fans with a 26-14 quarter-final win over the Kenyans.It was important for me and the team that we came out and we made a statement in front of our home crowd, said US coach Mike Friday. Quade Cooper (L) of Australia fights off Phil Burgess of England during the Las Vegas Sevens Tries from Danny Barrett and Perry Baker put the hosts ahead early.Kenya answered with tries from Injera and Billy Odhiambo to knot the score at 14-14 at the break, but Martin Iosefo and Zack Test delivered second-half tries to secure the victory for the United States.We thoroughly deserved that victory, Friday said. Weve only got 10 fit players and theyre hanging in there and they are working hard for one another.The US earned a semi-final clash with powerful Fiji, who overwhelmed Japan 43-7 in a dominant performance that featured seven tries - two of them from Jasa Veremalua.Japan had booked their first Cup quarter-final in almost a year with a 26-19 win over Scotland.But they were out-classed by Fiji, who opened the defence of their series title with a win in Dubai and are the defending Las Vegas champions.Watch the Las Vegas Sevens on Sky Sports 5 HD at 6.20pm on Sunday. Also See: Rugby on Sky Follow @SkySportsRugby Pundits Fixtures and results Odell Beckham Jr Browns Jersey .Y. -- Canadas Kaillie Humphries and Heather Moyse have another World Cup gold medal after winning the two-women bobsled race on Saturday in Lake Placid, N. Sione Takitaki Browns Jersey . Any real chance at payback wont come until the playoff. Still, Pittsburgh knows its taut 3-2 win over the Bruins on Wednesday night is a pretty good place to start laying the groundwork. "They are a very good defensive team," Penguins forward Brandon Sutter said. http://www.brownsrookiestore.com/Browns-Ozzie-Newsome-Jersey/ . - Derek Wolfe says hes finally healthy after suffering a seizure in November that doctors now believe was related to the spinal cord injury he suffered in the preseason. Joe Thomas Youth Jersey . Artturi Lehkonen, Joni Nikko and Ville Leskinen had the other goals for Finland (1-0) while Juuse Saros stopped 28 shots. Tim Robin Johnsgard had the lone goal for Norway (0-2). Jarvis Landry Browns Jersey . -- Arizona knocked off some quality opponents, rolled over a few overmatched ones and grinded out victories even when things didnt go so well. DENVER -- The Chicago Cubs placed right-handed pitchers John Lackey and Hector Rondon on the 15-day disabled list Friday, the team announced.Both underwent MRIs on Thursday, with Lackeys revealing a right shoulder strain and Rondons revealing right triceps strain, the team said.Lackey left Sundays start against the St. Louis Cardinals with shoulder stiffness after twice warming up in the bullpen in extra innings of two recent games. Rondon tried to pitch through his issue before the team decided he would potentially have a setback if he kept throwing.Taking their places on the roster are lefty Rob Zastryzny and righty Felix Pena; both will make their major league debuts when they enterr a game for the Cubs.ddddddddddddZastryzny represents the first pitcher drafted (second round, 2013) by the current front office to make the team. Pena has been in the organization since 2009.To make room for Zastryzny and Pena on the 40-man roster, the Cubs placed Dallas Beeler and Aaron Brooks on the 60-day disabled list.Lefty Mike Montgomery will fill in for Lackey on Saturday against the Colorado Rockies, followed by right-hander Jason Hammel on Sunday. Jon Lester, Jake Arrieta and Kyle Hendricks will throw against the San Diego Padres early next week. ' ' '