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STANFORD, Calif. -- For nearly 9 minutes, Arizona made defensive stop after stop. In that critical sequence, the top-ranked Wildcats held Stanford scoreless and helped preserve their perfect start to the season. This confident, unbeaten group believes it should be doing that all game long. For Arizona, three straight defensive stops is called a "kill." Nick Johnson kept Arizonas unblemished record going for another game, hitting a go-ahead 3-pointer with 51 seconds remaining and two free throws with 5.8 seconds left as Arizona survived for a 60-57 victory Wednesday night for its school-record 21st straight win. "Were an outstanding defensive team. It isnt as if we changed any scheme, we just buckled down and had a lot of players playing very hard, and our ability to hold them to what we did is a big reason we won. Our defence won the game tonight," Arizona coach Sean Miller said. "No question we have to execute better on offence and we have to be more confident at the line." After Johnson hit a jumper in the middle of the key with 2:36 remaining to make it 55-53, Dwight Powell answered on a baseline drive with 1:21 to go before Johnson delivered once more. Johnson finished with 16 points, five rebounds and four assists and T.J. McConnell added 11 points, eight rebounds and four assists for Arizona (21-0, 8-0 Pac-12), off to the programs best start in conference play in more than a decade. Arizona is one of three unbeaten teams left in Division I, joining No. 2 Syracuse, which also won Wednesday night. Fourth-ranked Wichita State hasnt lost either. Powell and Josh Huestis each scored 13 points for Stanford (13-7, 4-4), which outshot Arizona 38 per cent to 36 per cent. "For 38 minutes, I thought we were right there," Stanford coach Johnny Dawkins said. "Credit Arizona for making the plays they had to make at the end. Nick Johnson stepping up, whether at the foul line or whether it was a 3-point bucket late. Ive watched a lot of tape of them, hes done it all year." Johnson missed a free throw with 28 seconds left and Stanford called timeout. Huestis missed a 3 from the left wing and Aaron Gordon secured the rebound, but he also missed a free throw giving the Cardinal one final shot. Chasson Randle missed a long 3 just before the final buzzer for Stanford. After a 3-pointer by Huestis with 10:03 remaining, Stanford didnt score again until Powells layin at 1:21 -- and Powell missed two free throws at 4:36 that would have put his team ahead. "Thats what we should have done the whole game. We came out a little lackadaisical and after that we turned it up when the sense of urgency turned up, and after that we kind of locked down," Gordon said. "It was good to come on the road and get a win, regardless of whether we won by 20 or we won by three like we did." Arizona, ranked No. 1 for a school-record eighth consecutive week, overcame a slow start on the way to an eighth straight win against Stanford. The Cardinal beat two Top 25 teams already with victories at then-No. 10 Connecticut and at then-No. 17 Oregon earlier this month. But not this time given their struggles in the waning moments at Maples Pavilion, which hosted a No. 1 mens team for the first time since losing 72-69 to Arizona on March 1, 2003. The Wildcats had a large contingent of fans in the crowd cheering "U of A! U of A!" Anthony Brown beat the halftime buzzer with a basket to put Stanford ahead 31-30. Arizona had trailed at halftime several times already this season only to produce a big second half. Arizona is on such a roll the players expect to win, even when they might not be at their best in a hostile environment. "One of the things we need to do is play defence at a high level more consistently and I think that will help us out a lot," forward Brandon Ashley said. "When we were down, we werent thinking about being down. For any team to be competitive, at any level, you have to be confident in yourself." Stanfords last home win against a No. 1 team came against Arizona, 82-74, on Feb. 4, 1988. Jay Jackson Brewers Jersey . There are some early surprises in the race for the Hart Trophy, but two of the contenders are the leagues biggest stars over the past decade. There are many more players in contention for the awards than just the three that Ive named, and a good or bad week can easily alter the landscape, but through the first 20 or so games of the NHL season, this is how the awards races look to me. Ben Gamel Jersey . Not that Durant cared. The only streak he cares about is still intact. https://www.cheapbrewers.com/ . A night later, he was back to help lead a rout of the Detroit Pistons. John Wall had 20 points and 11 assists, and Beal scored 10 of his 15 points during the second quarter as Washington pulled away for a 106-82 victory on Saturday. Ben Gamel Brewers Jersey . An in-person hearing allows for Garbutt to be suspended for five games or longer as per the leagues Collective Bargaining Agreement. Garbutt delivered a high hit to Penner in the second period of Sundays game. Tyler Saladino Jersey . -- Kael Mouillierat scored three times and set up one more as the St.Lewis Hamilton has defended his Mercedes team despite suffering yet more reliability issues during the Russian GP, which he believes ended his chances of an unlikely race victory. Hamilton, who started the race in 10th because of an engine failure, recovered to P2 and at one stage cut eventual winner Nico Rosbergs gap out in front to seven seconds.However, after a warning from his Mercedes team, Hamilton then had to ease off because of a water pressure issue with less than 20 laps to go. Toto Wolff branded fans who peddled conspiracy theories regarding Hamiltons reliability before the race as lunatics, and the world champion was later asked whether he thought the team were prioritising his team-mate after Rosberg enjoyed another trouble-free afternoon as he extended his championship lead to 43 points. Rosberg extends title lead Nico over forty points clear of Lewis after Sochi victory From my side of the garage the mechanics are having a hard time, Hamilton told Sky Sports F1. But I have absolutely every bit of confidence and faith in them.The majority were on Nicos car last year and Nicos guys were with me for the last three years since i joined. The team all of a sudden swapped for no apparent reason. Toto Wolff has strongly denied claims from some fans that Mercedes are sabotaging Lewis Hamiltons season But thats not the reason were having these issues, theyre somewhere else. I dont know where the issues are coming from but for sure thhe team and guys in the background, they need to work hard to try and rectify these.ddddddddddddWe were doing 800 kilometers a day in testing and the car was almost seen as bullet-proof. Then, all of sudden were having all these problems. But dont jump the gun, that [prioritising Rosberg] hasnt happened in the last three years and I dont believe theres any reason for that to happen now.Mercedes team boss Wolff claims that Rosberg was also struggling with reliability issues during the race, with his power unit offering up some strange signals. Hamilton may be happy with more damage limitation after enduring a near-nightmare weekend in Sochi, but he believes he was on course to end the Germans winning streak before the issue with his engine occured.It happened, I just had to try and nurse it home Im glad it finished, Hamilton, who battled past Kimi Raikkonen and Valtteri Bottas, added. It was a problem leading to a failure. Weve got a long way to go with not so many engines, so we just need to do a better job.There wasnt a doubt in my mind that I couldnt win it, I had the pace. But I had a problem with the engine so I had to back off. I wasnt at full throttle down the straights.I have no idea how critical the engine was, there was no indication for me in the car. But I had to slow down. Rosberg, on the other hand, has now won seven consecutive races - four this season - and sealed his first ever F1 career grand slam after sealing Sochi pole, race win and setting the fastest lap of the afternoon, a track record.He still hasnt completed a competitive overtake all season and led from start to finish in Russia, but still maintains that his colleague will come back stronger.Lewis is going to come back, of course, Rosberg said. Hes on it and more motivated than ever. Every race live in 2016 Sky Sports F1 brings you every race live in 2016. Fast and easy online upgrade Also See: Report: Rosberg wins ahead of Hamilton WATCH: Vettel rages at Kvyat ' ' '