LOS ANGELES -- Dan Haren is back in a groove after enduring the worst stretch of his career throughout most of July. Cheap Arizona Cardinals Gear . The veteran right-hander pitched well on two extra days of rest, Matt Kemp homered and the Los Angeles Dodgers beat the Arizona Diamondbacks 2-1 Friday night. Haren (12-10) allowed one run and four hits in six innings against his former team. He struck out six and walked one, improving to 4-1 with a 2.04 ERA since Aug. 6. Haren stumbled through five consecutive losses from July 5 to Aug. 1. "Absolutely I lost my confidence," he said. Dodgers catcher A.J. Ellis said the rest of the team couldnt tell. "He didnt show it to us, which is the sign of a great teammate," Ellis said. "Im really happy for him that he turned it around." Haren even singled to centre in the second when the bunt sign was removed after two strikes. His 12th win marked the first time since 1985 that the Dodgers have had four pitchers with 12 or more in a season. "Ive got four starts left here and I need to make them as good as I can for the team," said Haren, who signed a one-year deal last fall. "Weve got to win these." Kenley Jansen worked a perfect ninth, becoming the fourth Dodgers reliever to save 40 games in a season and the first since Eric Gagne in 2004. Jansen blew his fifth chance of the year Wednesday while attempting a four-out save in the teams 14-inning loss to Washington. He tossed the landmark ball into the crowd. "I should have kept that ball, but that kid will enjoy that ball," he said. After losing four of their previous six, the Dodgers stayed two games ahead of second-place San Francisco in the NL West. Seventeen of Los Angeles final 21 games are against division opponents. "Our schedule aint as easy as it looks," Kemp said. "We need everybody to step their game up here in September. These next couple of weeks are going to be very important for us." Vidal Nuno (0-5) gave up two runs and seven hits in seven innings, struck out five and walked two. The left-hander hasnt won since June 27 against Boston. He retired a career-best 22 straight batters until giving up a two-out single to Adrian Gonzalez in the first. "The first three innings were a little difficult. I was missing my spots," Nuno said. "I just found it in the third, after the home run, and just settled down a little bit and just threw strikes and not be in the middle of the plate." The Dodgers got just enough offence to eke out the win. Yasiel Puigs slump continued after an 0-for-3 effort, including a strikeout and a walk. He is 4 for 40 with one extra-base hit in his last 15 games. Kemp led off the third with his 18th homer, sending an 0-1 pitch into the Arizona bullpen in right field. The Dodgers led 1-0 on Hanley Ramirezs RBI single with two outs in the second that scored A.J. Ellis, who walked. Arizona closed to 2-1 in the fourth on Didi Gregorius sacrifice fly. "We tried to stay as selective as we could depending on how Dan ended up attacking us. But he was throwing strikes," Diamondbacks first baseman Mark Trumbo said. "We had to be aggressive." The Diamondbacks have allowed three runs or fewer in nine straight games, tying the clubs longest streak since Sept. 25, 2005, to April 5, 2006. KEMPS HOMER After hitting his 175th homer, Kemp is two behind Mike Piazza for fourth in Dodgers history. Kemp extended his season high-tying hitting streak to 11 games since Aug. 22, during which hes batting .364 with five doubles, three homers and 11 RBIs. TRAINERS ROOM Diamondbacks: Relief pitcher Brad Ziegler will have season-ending surgery on his left knee Tuesday to repair frayed cartilage under the kneecap. Dodgers: LHP Paco Rodriguez, on the disabled list since Aug. 4 with a shoulder strain, had a setback. He was sore on Thursday, a day after his bullpen session, so a simulated game set for Friday was scrubbed. Manager Don Mattingly said he still thinks theres time for Rodriguez to return this season. UP NEXT Diamondbacks: Chase Anderson (8-6, 3.75 ERA) starts and is one-third of an inning shy of tying his career best of 137 2-3 innings pitched in 2012. Hes allowed two runs or fewer in six of his last nine starts. Dodgers: Left-hander Hyun-Jin Ryu (14-6, 3.18 ERA) takes the mound. He is 2-0 with 0.00 ERA against the Diamondbacks this season. Stitched Arizona Cardinals Jerseys .com Tours season-opening Colombia Championship on Sunday, breaking the course record with an 8-under 63 in the completion of the third round before rain washed out play. Custom Cardinals Jerseys .com) - The Chicago White Sox have officially announced that the club has agreed to terms with utilityman Emilio Bonifacio on a one-year, $4 million contract that includes a team option for the 2016 season. http://www.cardinalscheap.com/98l-cheap-kyler-murray-jersey-cardinals.html . Follow all the action live on TSN Radio 1050 in Toronto, TSN Radio 690 in Montreal, TSN Radio 1260 in Edmonton and TEAM 1410 on Friday at 3pm et/Noon pt. PORT ST. LUCIE, Fla. -- Gene Fieger shot a 3-under 69 in windy conditions Thursday to take a four-stroke lead in the Senior PGA Professional National Championship. The 53-year-old Fieger, the PGA director of golf at Hideout Golf Club in Naples, Fla., had a 10-under 206 total at PGA Golf Club in the event postponed in October in Virginia because of rain and flooding. The top 35 after the final round Friday will earn spots in the Senior PGA Championship on May 22-25 at Harbor Shores in Michigan. "I like playing on Bermuda grass and feel that its an advantage for me," said Fieger, who three-putted the par-4 ninth hole for his lone bogey. "Except for the ninth hole, I was very happy with the round. I have driven the ball well and chipped pretty well, too. Thats what you have to do out here on this course and in this weather." Steve Parker and Frank Esposito were tied for second. Parker, a 56-year-old PGA Life Member from Houston, shot a 67 -- the best round of the day and his lowest career scores on the Wanamaker Course. He had seven birddies and two bogeys. Arizona Cardinals Zach Allen Jersey. "We do play in wind there and we learn how to control the ball," Parker said about Texas. "You work on it at the range and you have to trust yourself. I have trouble with a left-right wind just like everybody else, unless youre a left-hander. Its been a different wind every day, but the greens were a little softer today." Esposito, the 50-year-old PGA head pro at Brooklake in Florham Park, N.J., had a 74. "I played real solid today, but I just putted lousy," Esposito said. "I hit a couple bad shots, but everybody always does. I need to hit some quality shots tomorrow and, hopefully, make a few putts." Don Berry was five strokes back at 5 under. The 53-year-old Berry is the PGA head professional at Edinburgh USA in Brooklyn Park, Minn. Stan Cooke, the first-round leader who has tied for the top spot with Esposito after the second round, had an 80 to fall 10 strokes back. The 53-year-old Cooke is the PGA general manager and director of golf at Ocala (Fla.) National. 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