When Washington State plays at Colorado on Saturday, it will be battle of Pac-12 division leaders.Nobody saw that coming.The 12th-ranked Buffaloes (8-2, 6-1 Pac-12) are the most surprising team in the country, considering they were picked to finish last in the Pac-12 South in a vote of league media and had only five conference victories in their first five seasons in the league.Washington State (8-2, 7-0) opened the season with a home loss to lower-division Eastern Washington and a defeat at Boise State. The Cougars have since ripped off eight consecutive victories -- their longest streak since 1930 and the second-longest streak in the nation behind Alabama (22).Two years ago, Colorado and Washington State finished last in their respective divisions. Now, this game -- kicking off at 3:30 p.m. ET from Boulder, Colo. (Fox TV) -- is the biggest in the Pac-12.Isnt that great, said Colorado coach Mike MacIntyre.It is exciting for both teams. It is exciting for Washington State and Mike Leach and it is exciting for the University of Colorado and our staff. I am so excited for our fans. This is a special time in Colorado football.Colorado is one game up in the loss column on USC and Utah, the only other teams that can win the South.The Buffaloes likely have to win their final two games against ranked opponents to take the title and advance to the conference championship game. The Buffs finish the regular season at home against No. 11 Utah.Washington States division-tile hopes will likely come down to next weeks Apple Cup game against seventh-ranked Washington, which is one game back of the Cougars. WSU will have to navigate its tough final two regular-season games without senior wide receiver River Cracraft.His college career is over after he tore his left ACL in last weeks 56-21 win over California. He and fellow senior Gabe Marks are the only duo in Pac-12 history to each have 200 career catches at the same time.Hes a great player, coach Mike Leach said of Cracraft. He contributed early in his career, which I thought was impressive.Washington State junior quarterback Luke Falk is second nationally with 361.0 passing yards per game, directing Leachs Air Raid attack. Falk last week set a school record with his 23rd career 300-yard game.Marks set the Pac-12 career receptions record last week; he has 295.Colorado counters with the best pass defense in the Pac-12, allowing 176.9 yards per game through the air. Opponents are completing just 50.9 percent of their passes, the best mark in the conference.But this WSU team also has balance, able to run the ball when the opportunity presents itself. Behind Gerard Wicks (career-high 128 yards) and James Williams (80 yards), the Cougars ran for 254 yards on 31 carries last week against Cal, their highest total in Leachs five seasons as head coach.It helps a lot, Marks said of the run game.I dont like to admit it sometimes, because the run game affects my life. But it has affected my life in a good way now. Back in the day, wed just run it and nothing would get done, and it was like dont run it. Just throw me the ball. ...Balance is good. Weve got some good balance right now.Colorado is solid and balanced, too.Senior Sefo Liufau, who set a school record last week with his 36th career start at quarterback, rarely makes a killer mistake. He recently had a streak of 152 passes without an interception.The Buffs can run the ball (204.7 yards per game) behind tailback Phillip Lindsay. They can stop the run (131.5 yards per game).They have forced a turnover in a national-best 23 consecutive games and are tied for 18th in turnover margin at 0.7 per game.Bottom line: They Buffs dont beat themselves. Their only losses this season came at Michigan (they were leading when Liufau left with an injury) and at USC.And, so, Saturday will mark the biggest home game of Colorados tenure in the Pac-12.Giving people something to believe in has always been a part of this season, wide receiver Shay Fields said on the teams website. Folsom the last couple of years hasnt been that packed. But since we won those first three, the fans have been outstanding. Theyve gotten the feeling that CU is back and thats exciting. Nike NFL Jerseys Cheap . Brazilian national coach Luiz Felipe Scolari has confirmed that the veteran goalkeeper is set to join Toronto on loan, saying it will help him be ready for the World Cup. Cheap NFL Jerseys China . 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PORTLAND, Ore. -- Jack Sock needed a little time to get up to speed Friday in his first Davis Cup match.Once Sock got his serve straightened out, the U.S. raced to a 2-0 lead over Croatia in the best-of-five quarterfinal tie.Sock overcame a two-set deficit to beat Marin Cilic 4-6, 3-6, 6-3, 6-4, 6-4, and John Isner topped Borna Coric 6-4, 6-4, 6-3 in the second match on the Tualatin Hills hard court.The U.S. can wrap up the Davis Cup tie Saturday with a win in the doubles match between twins?Bob?and Mike Bryan and Ivan Dodig and Marin Draganja. Two reverse singles matches are scheduled for Sunday.Our mindset is were happy, U.S. captain Jim Courier said. For us, its about putting our hard hats on and let Bob and Mike do what they do. I like our chances.The U.S-Croatia winner will advance to the semifinals in September to face the Czech Republic-France winner. The United States is seeking its first semifinals appearance since 2012.The United States is 157-3 when leading 2-0 in Davis Cup competition. The last time the U.S. blew a 2-0 advantage was the 1994 semifinals against Sweden.The Bryan twins are 10-4 in Davis Cup doubles competition.The 23-year-old Sock set the tone Friday, though it took a while to get going. Cilic, No. 12 in the world, rushed to a two-set lead after breaking Sock three times in the second set. But Sock also had his moments during the first two sets, and he used that, along with a bit of inspiration from Courier, to fuel a comeback.I had a ton of chances in the second. I didnt get blown off the court. I just had to make a few smarter decisions on the first serve and returning, Sock said.Courier noted that Cilic might be struggling a bit mentally after the 27-year-old Croatian blew a two-set lead to Roger Federer in the Wimbledon quarterfinals less than two weeks ago.I was using that as a little bit of a carrot to keep Jack in there, Courier said.The win over Cilic capped a big Friday for Sock, who earlier in the day was named to the U.S. Olympic team.As a kid you grow up and its kind of on your bucket list. Im very excited to get down there and hopefully play some good tennis, Sock ssaid.ddddddddddddIsner dominated with his big serve in his three-set win over the 19-year-old Coric, getting 23 aces to Corics three. The 31-year-old Isner, No. 16 in the world and playing in his 20th career Davis Cup match, broke Coric once in each set.The U.S. last hosted a Davis Cup match in 2014, when it lost in the first round to Britain in San Diego. This is the fourth time Portland has hosted a Davis Cup tie.The United States is trying to break a nine-year Davis Cup title drought. The U.S. won in 2007 when it beat Russia 4-1 in Portland. Croatia claimed its only Davis Cup title in 2005.The U.S. has won a Davis Cup-high 32 titles, but only one since 1995.In other quarterfinal ties:???Britain 1, Serbia 1: Dusan Lajovic breezed past James Ward 6-1, 6-3, 6-2 to even up their tie at one match apiece in Belgrade, Serbia.?Lojovic won 10 straight points in breaking Ward at love and holding at love for a decisive 3-1 lead in the third set.Britain took a 1-0 lead when Kyle Edmund beat Janko Tipsarevic 6-3, 6-4, 6-0 in the opening singles.? France 1, Czech Republic 1:?Lucas Pouille made a victorious Cup debut for France by beating Jiri Vesely 7-6 (2), 6-4, 7-5 to level Fridays matches in Trinec, Czech Republic.Amid increased security following the deadly attack in the French city of Nice,?Lukas Rosol saved two match points to prevail over Jo-Wilfried Tsonga 6-4, 3-6, 4-6, 7-6 (8), 6-4 in the first match.A minute of silence was observed at Werk Arena before the opening singles to honor the 84 people killed by a truck in Nice.All my thoughts are with the victims and families of this tragedy, Tsonga tweeted.? Argentina 1, Italy 0: Federico Delbonis won the first point for Argentina against Italy before weather postponed the second match between?Fabio Fognini and Argentinas Juan Monaco?until Saturday.Rain overnight and through the morning delayed the start of the tie for 2? hours, then Delbonis took more than 3? hours to beat Andreas Seppi 7-6 (4), 3-6, 6-3, 7-6 (3) in Pesaro, Italy. ' ' '