CHICAGO -- In his second game with the Chicago Cubs, Jake Arrieta showed exactly why theyre putting him in the rotation for the rest of the season. The hard-throwing right-hander dominated the potent St. Louis Cardinals lineup for seven innings to lead Chicago to a 7-0 victory Friday. "Thats the kind of stuff the power arms can do when theyre throwing strikes and making pitches and you have a 91 mph cutter, slider or whatever you want to call it," Cubs manager Dale Sveum said. "He made some really good pitches in some key situations of counts. When you thought you might be losing good hitters, he made some key pitches on the black at 95, 96 mph." Arrieta (1-0) allowed two hits and two walks while striking out seven. After yielding an infield single to Carlos Beltran in the second, he got rookie Kolten Wong to ground into a double play. That started a streak of 13 straight outs (including five strikeouts) until Arrieta walked St. Louis starter Jake Westbrook (7-8) in the sixth. The next batter, Matt Carpenter, also walked to give the Cardinals their first threat of the game. But Jon Jay grounded into a fielders choice and Matt Holiday struck out looking to end the inning. In his only other start with Chicago, Arrieta allowed one run and two hits in six innings July 30 against Milwaukee. Hes thrown 13 innings in a Cubs uniform and allowed one run. Thats a far cry from the struggling pitcher who went 1-2 with a 7.23 ERA for Baltimore this season before he was traded to the Cubs on July 2. So which one is the real Jake Arrieta? The struggling power arm or the dominant pitcher he was on Friday? "Thats what Im capable of," Arrieta said. "Its just a matter commanding the ball and limiting my walks. Thats really whats gotten me in the past was too many free passes, letting guys get away when Im in favourable counts and pretty much keeping my foot on the gas and staying on the attack. "Ive made a conscious effort to get better at certain things and its starting to show." The Cubs got Arrieta all the runs he needed in the first inning. After Westbrook walked the bases loaded, cleanup batter Nate Schierholtz hit a two-run single to centre. Donnie Murphy added a two-out RBI single to make it 3-0. Chicago had been shut out in four of its past five home games. "We got some big hits. I think the biggest was Nates," Sveum said. "Weve had chances like that this year when we couldnt come away with one (run) and to come away with the big hit there and then Murphys two-out hit ... to get three runs on the board there was key in that game." The 27-year-old Arrieta should be entering the prime of his career, but hes still trying to establish himself in the majors. He thinks the trade to the Cubs has given him a fresh start free of his struggles of the past. "For me, theres no question that this change of scenery and this trade was huge for me in my career -- not only for me, but for the Cubs as well," he said. "I couldnt be more excited to be here and Im thankful to the front office for wanting me and bringing me into this organization." The Cubs snapped a four-game losing streak and are 7-7 this season against the Cardinals, who began the day trailing first-place Pittsburgh by two games in the NL Central. Westbrook finished with five walks but managed to grind through 6 2-3 innings to save the bullpen. He allowed seven runs -- six earned -- and eight hits with two strikeouts. "I was pretty much all over the place and the walks hurt you, especially when theyre in a row with no outs," Westbrook said. "It wasnt very good. Its always frustrating when you dont give your team a chance to win and do your job, which I havent been able to do the last couple outings." Since coming off the disabled list June 14, Westbrook is 5-7 with a 5.86 ERA. After the loss, he said his arm feels fine. Asked if Westbrook is certain to make his next start, Cardinals manager Mike Matheny was non-committal. "Well see how he feels tomorrow," Matheny said "Thats not what any of us were looking for," he added. "Talked about it before: Sometimes he just has trouble finding the release point for his sinker and he couldnt find it today until it was too late." NOTES: Wong started at 2B and went 0 for 3 in his major league debut. His arrival relegated 3B David Freese, the 2011 World Series MVP, to the bench. All-Star leadoff hitter Matt Carpenter moved from second base to third. "I would say its a day-by-day situation," Cardinals general manager John Mozeliak said. "Im not saying (Wong) has to play every day. There are going to be times when we want to get David back in the lineup, so I imagine theres going to be some split playing opportunities." ... Cubs RHP Matt Guerrier was scheduled to have surgery on the flexor mass (near his elbow and forearm) of his throwing arm Friday. The surgery, performed by Dr. Timothy Kremchek, is expected to sideline Guerrier six to eight months. ... Joe Kelly (3-3) faces Cubs LHP Travis Wood (7-9) in the second game of the series Saturday. Cheap Nike MLB Jerseys . Dancevic won his singles match on Friday, defeating Go Soeda 6-4, 7-6 (2), 6-1, to even the best-of-five series at a game apiece. World No. 18 Kei Nishikori defeated Peter Polansky in the opening match, 6-4, 6-4, 6-4. 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She also earned tournament most valuable player honours.The Canadian captain scored on a penalty kick in the 63rd minute and added the winning goal a minute later.Phoenix, AZ (SportsNetwork.com) - Eric Bledsoe scored 23 points, including the final four for Phoenix, to help the Suns pull away from the Chicago Bulls and cap an eight-game homestand with a 99-93 win. Goran Dragic scored 21 points for the Suns, who finished the homestand 6-2. Markieff and Marcus Morris both scored 12 points, with Markieff also contributing a season-high 14 rebounds. I thought our defense played great tonight, said Phoenix coach Jeff Hornacek. They challenged just about every shot. Derrick Rose, Jimmy Butler and Aaron Brooks combined for 66 of Chicagos 93 points and Pau Gasol had 19 boards in the setback. Roses struggles from the floor continued on Friday despite scoring 23 points. He shot 8-of-23 and 0-for-6 from behind the arc. Rose is shooting 28-of-82 (34 percent) from the floor and 5-for-25 from 3 over his last three games. Chicago shot 1-for-14 from outside the paint in the first half and trailed 55-42 at the break. The 13-point halftime lead grew to 15 two minutes into the third quarter before Chicago made a game of it. A pair of 6-0 runs, the second of which Kirk Hinrich capped with a short jumper, gave the Bulls a 67-66 lead before Brandan Wrights layup restored Phoenixs lead after three. The Suns shot 6-for-23 and missed all six of their tries frrom distance in the third.dddddddddddd. The Morris brothers accounted for the first nine Suns points of the fourth, with Marcus canning a 3 and Markieff hitting three 2-point field goals. Later, Markieffs slam on a feed from Bledsoe capped a 7-0 run that had the hosts back in front by nine. It was nine once more on Dragics layup with 2:24 to play but out of a timeout, Butler put in a layup and Brooks stepped into a 3 to force a timeout with Phoenix ahead by just four. Rose and Gasol missed layups on the next Chicago trip but Phoenix rushed a shot, leading to Brooks layup at the other end that cut it to two. Then with time winding down on the shot clock, Bledsoe drove hard into Joakim Noah and got a floater to go off the glass, pushing it back to a two- possession game with 10 seconds to play. His free throws after Butler missed a contested layup sealed the win. It is unfortunate but if we want to get where we want to go, weve got to find ways to win these types of games, Rose said. Game Notes Butler scored 22 points and Brooks had 21 ... The Bulls fell to 1-2 on a six- game road trip, but they have four days off before playing against in Houston on Feb. 4 ... Chicago will head home after this road trip for nine of its next 10 games. ' ' '