PITTSBURGH -- Jeff Locke never lost his poise and gave the Pittsburgh Pirates a chance to get a win. Locke overcame a shaky start to pitch seven innings and Josh Harrison had three hits to extend his hot streak as the Pirates beat the Miami Marlins 7-3 on Wednesday night. Locke (3-3) gave up three runs in the first two innings, and then shut out the Marlins over his last five. The left-hander gave up six hits, no walks, and struck out seven, beating Miami for the first time in five starts. "Its easy to let things snowball, its easy to let things carry on," Locke said. "I settled down. I started to get more in control. I kept pounding the strike zone because good things happen when you do that." Christian Yelich hit a two-run homer that drew Miami within 4-3 in the second. The Marlins never scored again and Locke retired the last 13 batters he faced. "He was just persistent," Pittsburgh manager Clint Hurdle said of Locke. "It started with his confidence. He could find the (arm) slot and stay with it, (catcher) Russell (Martin) kept him in a good place to battle through the first two innings then he ran the table. Its as well as hes pitched all year." Harrison hit a double and scored twice. He is 20 for 44 during a 10-game hitting streak, with six doubles, one triple and five home runs. Ike Davis had a two-run double in a four-run first for Pittsburgh against Tom Koehler (7-9). Gaby Sanchezs two-run double capped a three-run seventh that pushed the lead to 7-3. Jeff Baker singled in a run in the first for the Marlins. Koehler was charged with four runs in six innings while allowing five hits and four walks and striking out four. It was the second time in his last nine starts that Koehler allowed more than three runs. "I made some good pitches early in the inning that they hit but then I started falling behind in the count and had to come in with my fastball," Koehler said. "Theyre a very good fastball-hitting team. You dont want to put them in fastball-hitting counts the way I did." Russell Martin hit an RBI single in the seventh to give the Pirates a 5-3 cushion before Sanchez broke the game open with his double. TRAINERS ROOM Marlins: Right-hander Jarred Cosart was scratched from his scheduled start Thursday night because of a strained left oblique muscle. Cosart felt discomfort in his side while playing catch Wednesday and the Marlins decided to have him skip a start. He is tentatively scheduled to pitch next Tuesday against St. Louis. The Marlins got Cosart last week in a trade with Houston. He made his Miami debut the next day and took the loss against Cincinnati, giving up four runs in 5 1-3 innings Friday. He was 9-7 with a 4.41 ERA with the Astros. . Reliever Kevin Gregg is expected to have surgery to remove bone chips from right elbow and miss the remainder of the season. . Right-hander Henderson Alvarez played catch before the game, the first time he had thrown since going on the disabled list July 30 with right shoulder inflammation. He is expected to be activated Aug. 15, the first day he is eligible. Pirates: Center fielder Andrew McCutchen missed his second straight game because of a fracture and cartilage damage in his lower left rib cage but remains hopeful of avoiding the disabled list. . Second baseman Neil Walker sat out for the third time in four games because of lower back tightness but is expected to return to the lineup Thursday. . Right-hander Gerrit Cole, will make a third rehab start for Triple-A Indianapolis with the date to be determined after he has a bullpen session Thursday. Cole has been on the DL since July 5 with a strained right lat. ON DECK Marlins: Rookie left-hander Brian Flynn (0-0, 6.00) will fill in for Cosart and start in the finale of the three-game series. Flynn was recalled from Triple-A New Orleans on Tuesday when right-hander Jacob Turner was designated for assignment. Flynn pitched once for the Marlins this season, allowing two runs in three innings June 27 against Oakland. Pirates: Right-hander Edinson Volquez (8-7, 3.91) is 5-0 with a 1.99 ERA in six career starts against the Marlins and looks to snap his three-start winless streak, which comes on the heels of a four-start winning streak. Cheap Swingman Spurs Jerseys . Some will say that Martin is too sensitive while others will say that it is part of the way football is in the locker room. But to have to absorb what was said to him for any rational and intelligent person is too much. Tony Parker Jersey . Jannero Pargo scored 14 of his 24 points in the fourth quarter to help the Charlotte Bobcats erase a 21-point deficit and rally for an 83-76 preseason victory over the Milwaukee Bucks on Saturday night. http://www.cheapspursjerseys.com/?tag=ch...b-poeltl-jersey. Vincent Lamar Carter is no longer the lean, athletic dynamo who dazzled Raptors fans with eye-popping dunks that posterized even the leagues best defenders. Wholesale Spurs Jerseys . The Bruins forward has been fined $5,000 by the National Hockey League for spearing Red Wings defenceman Danny DeKeyser in the groin. Cheap NBA Jerseys . Adrian Wojnarowski of Yahoo! Sports reports that the Raptors have traded forward Steve Novak along with a second-round pick to the Utah Jazz in exchange for guard Diante Garrett - who will then be waived.Every night of the Stanley Cup playoffs, TSN hockey analyst and former NHL goaltender Jamie McLennan breaks down each goalies performance. Jamies number grades given are out of five, with five being the best mark. Tuukka Rask, Boston Bruins (3) - The first goal that beat him was seeing-eye shot that got past him on the blocker side. He was late to react on Rene Bourques five-hole shot in the second period. He came up with a huge left pad save on Brandon Prust at the end of the second period to keep it at 2-0. Overall, he was not as sharp in this game in regulation; he looked to fight the puck in situations and his rebound control was not a premium as it usually is with him. Conversely, he was great in overtime, he looked more dialed in and more composed.dddddddddddd Rask made a huge save on Eller and couldnt have made a better glove save on Plekanec. He simply did not have a chance on PK Subbans screen shot winner. Carey Price, Montreal Canadiens (5) - Price was the best player on ice tonight for either team. His saves on Krug and Campbell in first period were terrific and his ridiculous saves on Iginla and Eriksson in the second period on penalty kill were the only reason this game stayed close. As the pressure continued heavily in third period, he was beat on three screen shots as the Bruins did a great job of getting traffic in front of him. He continued his outstanding play in overtime with saves on Marchand, Krejci and Chara. 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