Colorado is one victory away from finishing a worst-to-first season.If the ninth-ranked Buffaloes (9-2, 7-1) can defeat visiting No. 21 Utah in the final game of the regular season in Boulder on Saturday (7:30 p.m. ET, FOX), they will win the Pac-12 South, just one year after finishing last with a 1-8 conference mark.A victory by Utah (8-3, 5-3) means USC advances to the conference title game. The Trojans have finished league play at 7-2 and hold the head-to-head tiebreaker against Colorado.We are very happy to be in the position that we are in, said Buffaloes quarterback Sefo Liufau. Were very happy to be able to go out there and grind one out and get a good win.Colorado had lost 23 consecutive games to ranked foes before defeating No. 20 Washington State 38-24 last Saturday.We have something called the gold games and we have gold bricks, running back Phillip Lindsay said. So any time we beat a ranked team, we get a gold brick. This is our first time since weve been ranked that we get a gold brick so its a pretty big deal for us. Were excited and were happy and we have to continue to ride this wave and get ready for the next game.Utah was also in contention for the South title until it was upset 30-28 at home to Oregon on Saturday. The Utes will have to be on guard against an emotional letdown.Its a concern when you have an emotional game like that and it ends like it did with so much disappointment, said Utah coach Kyle Whittingham.There was a lot of frustration in our locker room, which was different than after the UW game (a 31-24 loss), where there was a lot of anger. This was frustrating. There is concern, but this team has shown the ability all year long to bounce back and play well, so we expect that.Two of Utahs seniors reached milestones last Saturday -- defensive Hunter Dimick set the programs career sack record with 29, and Joe Williams became the 13th Utah player to rush for at least 1,000 yards in a season -- despite missing five games due to a temporary retirement.When asked about the achievement, all that Williams could say is: Colorado.Colorado and Utah joined the Pac-12 in 2011, but the Rumble in the Rockies -- something of a forced rivalry between the schools -- has never been for much in terms of real stakes. The Utes have been in contention for the South title late in the season, but the Buffaloes won a mere five conference games in their first five seasons.Colorado, which is 9-2 overall for the first time since 2001, has surged this season behind a veteran team and the steady play of Liufau. He became the second player in school history to throw for 300 yards and run for 100 when he had 345 passing yards and 108 rushing yards with three scores in the win over Washington State.The Buffaloes have no obvious week links.They can run the ball -- Phillip Lindsay has 1,051 rushing yards and a Pac-12 high 15 rushing touchdowns -- and they have the top-rated defense in the conference (322.4 yards per game allowed) and yields only 18.5 points per game, second in the league. Colorado has a plus-8 turnover margin on the season; linebacker Jimmie Gilbert has forced five fumbles.Utah counters with a stout defensive line, led by Dimick and defensive tackle Lowell Lotulelei, a first-round NFL Draft prospect. Marcus Williams is one of the nations top free safeties. But the Utes still allowed Oregon to run for 251 yards, while being burned for 324 passing yards by Ducks freshman quarterback Justin Herbert.Offensively, the Utes rely on Joe Williams and quarterback Troy Williams, who has thrown for 14 touchdowns with only five interceptions. He was solid last week in the loss to Oregon, going 20-of-30 for 235 yards, including a 30-yard touchdown pass. He also tallied 40 yards on 10 carries.Utah has won the last four in the series but can only be a spoiler as Colorado looks to go 6-0 at home and win the Pac-12 South.Our young men are performing well under pressure, coach Mike MacIntyre said. They dont get stressed out. Cheap Indianapolis Colts Jerseys . Meanwhile, there were huge victories for Sunderland and West Ham over fellow relegation rivals, leaving the battle to avoid the drop up for grabs with the bottom 11 teams separated by just six points. 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Malkin got tangled up with Detroits Luke Glendening early in the third period and his left skate took the brunt of collision with the boards behind Pittsburghs net. Quitting at the top, Formula One champion Nico Rosberg shocked the world of motor racing Friday by announcing he was retiring at the age of 31, five days after earning his first world championship.I have decided to end my Formula One career. I had a very, very clear dream, that was to become Formula One world champion. I have achieved this childhood dream now and I am not willing to do that sort of commitment again, Rosberg said in Vienna.So I have decided to follow my heart, and my heart has told me just to stop there, to call it a day.Rosberg said he made the decision on Monday, a day after finishing second at the season-ending Abu Dhabi Grand Prix to clinch the F1 title.I am on the peak, so this feels right, he said.He wrote on Facebook of the difficulties he faced over a season that took a toll on people close to him: It was a whole family effort of sacrifice, putting everything behind our target.Rosberg had a strained relationship with Mercedes teammate Lewis Hamilton. They came up through the karting circuits to became fierce rivals in F1, constantly needling each other in the media. They dueled for the F1 championship for the last three years. Rosberg was runner-up to Hamilton in 2014 and 2015, but hung on this year to relieve Hamilton of the title in the final race.Rosbergs father, Keke, the 1982 F1 champion, said after watching his son in Abu Dhabi that the strain of fighting Hamilton was sapping him.I dont know how much its taken out of him, Keke Rosberg said on Sunday. Maybe he retires tomorrow.All observers thought that was a quip. Mercedes said on its website that Rosberg will stop racing in Formula One with immediate effect.ddddddddddddamilton said he was not surprised by his teammates decision.Im probably one of the only people that it was not a surprise to, Hamilton said. He later added: Will I miss the rivalry? Of course.The three-time champion said he would help Mercedes look for a replacement.Im interested to see who would want to be my teammate, and respect anyone that would want to, Hamilton said.Rosberg said it had been his dream, my `one thing to become Formula One world champion. Through the hard work, the pain, the sacrifices, this has been my target. And now Ive made it. I have climbed my mountain.In an online video, the German said: Im not willing to do it again next year.Rosberg won 23 races (tied for 12th all-time) and 30 pole positions (8th) from 206 races since his debut in 2006.He began thinking of retirement after winning in Suzuka in early October, when the destiny of the title was in my own hands.Mercedes chief Toto Wolff paid tribute to Rosberg for making a brave decision.He has chosen to leave at the pinnacle of his career, as world champion, having achieved his childhood dream, Wolff said. The clarity of his judgment meant I accepted his decision straight away when he told me.Rosberg is the first reigning champion to retire since Alain Prost in 1993.If you accomplish your goal, then theres no reason to stay around, track and fields athlete of the year Usain Bolt said upon hearing the news in Monaco. ' ' '