TUCSON, Ariz. -- Arizona knocked off some quality opponents, rolled over a few overmatched ones and grinded out victories even when things didnt go so well. The Wildcats werent perfect during their non-conference season, but their record was and thats all that matters to them. Nick Johnson scored 20 points, Rondae Hollis-Jefferson added 14 and top-ranked Arizona rolled over Northern Arizona 77-44 on Monday night to complete its second straight undefeated non-conference slate. "Were good, but we can get a lot better," Johnson said. "Hey, 13-0, well take that. Now weve just got to get ready for conference." The Wildcats appear to be in good shape after their latest rout against an overmatched opponent. Arizona (13-0) played its second straight game without injured centre Kaleb Tarczewski, but didnt really need him, grabbing control with a 27-4 first-half run. Johnson got the run started and Hollis-Jefferson provided a spark starting in place of Tarczewski, grabbing eight rebounds while hustling all over the floor. Brandon Ashley added 11 points and nine rebounds, Gabe York had 10 points and four steals, and T.J. McConnell had six assists in Arizonas 27th straight non-conference win. One of the nations best defensive teams all season, the Wildcats did their most damage on that end, holding Northern Arizona (3-8) to 36 per cent shooting while scoring 18 points off 23 turnovers. An overwhelming No. 1 the past two weeks, Arizona should stay atop the polls at least one more week with its next game not until Jan. 2 against Washington State. "Being the No. 1 team in the country, you can carry it as a burden and take all of the negative connotations that you want," Arizona coach Sean Miller said. "On the flip side, weve really embraced the fact that were the No. 1 team in the country. You cant take it from us. We earned it." Northern Arizona is plenty familiar with trip south, playing in Tucson every season but one since 2002. It hasnt gone too well for the Lumberjacks. Other than a five-point game in 2010, Arizona has beaten Northern Arizona in routs, including a 93-50 runaway last season. The Lumberjacks faced an even bigger hill this time around. Northern Arizona had a huge setback just before the season started, when sophomore guard Dwayne Russell, the teams top returning scorer, decided to transfer. The Lumberjacks managed to play close games against Southern California and Fresno State, but those teams are nothing like what they were up against at the McKale Center. Arizona had rolled through its non-conference schedule to this point, knocking off teams like Duke and Michigan to move atop The Associated Press poll two weeks ago. Northern Arizona held its own while Arizona struggled on offence early on, playing to an 11-all tie with the Wildcats in the opening 8 minutes. Arizona turned into a rout after that, scoring 17 straight points during its big run to go up 38-15. Johnson keyed it, hitting consecutive 3-pointers at the start and adding another to put the Wildcats up 15. The junior guard had 14 points by halftime to help Arizona to a 41-17 lead. Northern Arizona had two field goals over the final 10 minutes and shot 7 of 19 from the floor. Worse for the Lumberjacks, they had no assists in the half and 12 turnovers that led to 18 points for Arizona. "We had too many turnovers and thats what killed us," Northern Arizona forward Gaellan Bewernick said. "Valuing the ball is the biggest thing for us right now." Taking it away is the top priority for the Wildcats and theyve proven to be pretty good at it. Arizona is long, athletic, versatile and, usually has a 7-foot anchor in Tarczewski. The Wildcats entered Mondays game seventh nationally in scoring defence, allowing 57.8 points per game, and eighth in shooting percentage against at 37.3 Even without Tarczewski to contend with, the Lumberjacks were no match for Arizona. Let by Johnson and McConnell out top, the Wildcats hounded Northern Arizona into turnovers, difficult shots and made it tough for the Lumberjacks to even run their offence. Arizona keyed its big first-half run with defence and didnt really let up until the game was well out of hand in the second half. Northern Arizona had four assists and failed to get a player in double-figures scoring to become the third opponent in four games to be held under 50 points by Arizona. "Best defensive team Ive seen in a long time," said NAU coach Jack Murphy, a former manager under Lute Olson at Arizona. "Defensively, theyre better than any team when I was here. Their length, they guard pick and rolls, motion and they limit you to one shot. They defend." 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Inter Milan ended its five-match winless streak in all competitions by beating 10-man Bologna 3-1 on new manager Claudio Ranieris debut, while injury-plagued AC Milan edged Cesena 1-0 with an early goal from Clarence Seedorf.DETROIT -- Will Power gave Roger Penske and Chevrolet what they desperately wanted by winning the first of two races at the Detroit Grand Prix. "On his home track and in Chevys backyard, its a perfect day," Power said Saturday. "If we can do it again tomorrow, itll be even better." Power finished 0.3308 seconds ahead of Graham Rahal on the bumpy, 13-turn, 2.36-mile street circuit on Belle Isle. He started a season-worst 16th and took the lead for good with just more than 10 laps to go when he passed Ryan Briscoe. "Theres no way we thought we would come from 16th to win," he said. "But this is IndyCar and anything can happen." The Australian held off Rahal to join Indianapolis 500 champion Ryan Hunter-Reay as the series drivers with two victories through six races. Power pulled within three points of Hunter-Reay, IndyCars points leader. James Hinchcliffe of Oakville, Ont., finished in sixth place. Power, who won IndyCars season-opening race, has 23 career victories to break a tie with Emerson Fittipaldi and Tony Bettenhausen and to match Tommy Milton for 18th on the all-time list. His latest victory was especially sweet for Penske and Chevy. Penske had not won an open-wheel race in the area he calls home since Helio Castroneves finished first in 2001. "Its sure a great piece of satisfaction for me to see this happen," Penske acknowledged. And for Chevy, which sponsors the race, it was a good day after being relegated to watching Honda dominate the previous three races over the last two years in the shadow of its world headquarters. "We swept the podium in 2012," Art St. Cyr, president of Honda Performance Development, said a few hours before Saturdays race. "We won both races last year, swept the podium in one race and had two of the three spots in the other race "There are a lot oof Chevy folks here, so you do walk around with your chest puffed out a little bit more.dddddddddddd" After the 70-lap race, Honda had to settle for Rahals second-place finish as its only driver on the podium. Rahal, whose only career victory was in 2008, had finished no better than 13th this year. "Its a great day for us with the year weve had and the luck weve had," Rahal said. Tony Kanaan was a season-best third followed by Justin Wilson and Castroneves, who was the pole-sitter and led a race-high 30 laps Saturday. "I wish I could relax," Kanaan said "My mind is already going on what I have to do tomorrow." Hunter-Reay, meanwhile, failed to follow up the biggest win of his career with a 16th-place finish. He was on the last lap, but did not make it to the finish line because he spun into a tire wall to end the race. He started 21st in the 22-car field because he brushed a wall on his second lap during Saturday mornings qualifying session. "We had a rough day overall," Hunter-Reay said. Simon Pagenaud and Mike Conway each won last year on Belle Isle and both lost their shot to win early Saturday. Pagenaud damaged his front left suspension when he ran into the back of Power, leading to a yellow. "I didnt even know where Pagenaud was," Power insisted. Conway did not have any one around him when he appeared to understeer into a wall on Lap 15, putting the race under caution. Both will get another shot to repeat at the Detroit Grand Prix on Sunday as part of IndyCars first of three doubleheaders this season. While Penske was thrilled with the victory after Castroneves was barely beaten by Hunter-Reays Honda-powered car last Sunday at the Indy 500, he knew there were fewer than 24 hours to celebrate before the next race on Sunday. "We all start from ground zero," he said. ' ' '