The Golden State Warriors have been dominant during the regular season over the past two years. They finished 67-15 in 2014-15 and had a record-breaking 73-9 record during their 2015-16 campaign.But theres one team that has given them trouble over that stretch, and seems to have the formula for how to give the Warriors fits -- the Boston Celtics.All four meetings between the Celtics and Warriors over the past two seasons have been decided by five points or fewer. Their first matchup last season went to double overtime, where the then-unbeaten Warriors squeaked out a 124-119 victory. The second time around, the Celtics defeated the Warriors 109-106, handing?Stephen Curry and company one of their nine losses and snapping Golden States 54-game home winning streak.Friday nights first matchup between the teams this season (8 p.m. ET, on ESPN) will be played at the TD Garden in Boston, where both Curry and his new teammate, Kevin Durant, have excelled in recent years. Curry is averaging 37.5 points in his past two games there, while Durant has averaged 30.5 points in his past four games in Boston.The Warriors are starting to find a comfort level with their newly constructed team. Theyre on a five-game winning streak and have scored at least 115 points and dished out at least 30 assists in each contest. The last team to have six straight games of 30 or more assists was the Portland Trail Blazers in November of 1990.Golden State is averaging 33.2 assists since Nov. 7, which is eight more than any other team over that span. They could become the first team since the Showtime Lakers in 1984-85 to average 30 assists in a season.Not only has the team shared the ball well, but Curry and Durant are starting to gain chemistry playing alongside one another. Theyre both averaging 27 points per game while shooting over 50 percent from the field. They were the only two players in the NBA to reach both of those thresholds last year and are hoping to become the first teammates in NBA history to accomplish that during the same season.Boston, meanwhile, has stepped up its defense since the first seven games of the season, allowing just 93.8 points per game in the last four contests. Teams are shooting just 40.4 percent from the field during that stretch. In their past three home games, the Celtics have held opponents to just 90 points per game.And Celtics guard Isaiah Thomas, whos averaging 27.2 points per game, is on pace to become one of the the most prolific scorers among players under 6-feet tall in NBA history.Thomas has scored 30 or more in his past two games. He never has scored 30 in three straight contests, but has a chance to do so Friday night against Golden State. Thomas is also the first Celtics player since the great Kevin McHale in 1986-87 to score 20 or more points in each of the teams first 11 games of a season.His backcourt mate, Avery Bradley, also has played well this season. Bradleys averaging a career-best 18.5 points and 8.7 rebounds per game -- which is second among guards behind the?Oklahoma City Thunders Russell Westbrook. Cheap Air Max 97 Vapormax Mens . -- Al Jefferson found a groove just in time for the Charlotte Bobcats. Cheap Nike Air Max 97 Online All Gold .com) - The Calgary Flames aim to bounce back from their first regulation home loss of the campaign on Friday night when they host a Detroit Red Wings club that they swept in three meetings a season ago. http://www.cheapairmax97online.us/cheap-nike-air-max-97-online-yellow/ . Los Angeles star goalie survived those perilous gymnastics with no problem, and he eventually backstopped the Kings to a skid-snapping win. Quick stopped 27 shots in his return from a 24-game injury absence, Jeff Carter scored the tiebreaking goal with 7:55 to play, and the Kings snapped their five-game losing streak with a 3-1 victory over the Vancouver Canucks on Saturday night. Air Max 97 Ultra Mens . A big centre with all the tools to be an elite player, Johansen paced the Blue Jackets with a standout game Saturday night. He had a goal and two assists for a career-high three points as Columbus beat the New York Islanders 5-2 to snap a five-game losing streak. Cheap Nike Air Max 97 Online Red . -- The Sacramento Kings are set to become the first major professional sports franchise to accept Bitcoin virtual currency for ticket and merchandise purchases.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 Welliington and Sydney, saw their hopes start to unravel with a shock 22-0 loss to Kenya in their final pool match on Saturday.ddddddddddddGetting 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. 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