HOUSTON -- The Miami Marlins know what they need to do to get back into the National League post-season picture. With timely hitting and good pitching, the Marlins are one win away from sweeping the slumping Houston Astros. Giancarlo Stanton hit a three-run double, and Jordany Valdespin added a two-run home run to power the Marlins to a 7-3 victory over Houston on Saturday night. Stantons double in the second inning broke a 2-2 tie. Christian Yelich had two hits, including an RBI single as part of the four-run frame. Valdespin hit his first homer of the season in the ninth off Chad Qualls. The Marlins have won six of seven. "To come here and to keep going and to keep competing and keeping that good feeling going, Im very happy," Miami manager Mike Redmond said. "Were going to be tested. A lot of good teams left to play and a lot of ground to make up, but Im very happy with where were at right now." Stanton said a sweep against the Astros would put the Marlins in a good position. "We have to get sweeps in series like this," Stanton said. "You always say you sweep guys like this, and you stay afloat against the guys on the top. A sweep is three games gained instead of one." The Marlins were able to capitalize on starter Jarred Cosarts wildness when he walked the bases loaded in the second, setting up the run-scoring hits by Yelich and Stanton. "Its just who is able to capitalize the most is who is able to stay afloat and win games," Stanton said. "You arent always going to be able to capitalize, but the more you do, the more you are going to be in good shape. Weve been doing all right lately." Tom Koehler (7-7) gave up three runs and nine hits with two strikeouts in five innings. "I walked that tight rope that whole day and fortunately enough, I stayed balanced enough to get through five," Koehler said. "I handed it over to the bullpen who did a great job." Jason Castro had two hits, including a two-run home run in the first that put the Astros up 2-1. Jose Altuve added three hits for Houston, which lost its fourth straight and fell a season-high 20 games below .500 (42-62). Cosart (9-7) allowed five runs and seven hits with four strikeouts and four walks in 5 2-3 innings. The right-hander has struggled in July, allowing 21 runs in 21 1-3 innings over four starts. "Tale of two innings, obviously," Cosart said. "Pretty self-explanatory. Its the same as always when I have a bad game. I just didnt throw strikes." Carter cut the lead to 5-3 with an RBI single in the fifth. Casey McGehee gave Miami a 1-0 lead with an RBI single in the first. Houston left runners in scoring position in each inning from the second to the seventh. Altuve and Marwin Gonzalez started the third with singles before Carter lined a ball to Koehler that went off the right-handers back and was caught by shortstop Adeiny Hechavarria. Koehler struck out Castro and Matt Dominguez to end the inning. "It was kind of weird," Koehler said of the out. "It used my back as a ramp to get to (Hechavarria). We looked, and after icing my shoulder, my shoulder was redder than my back. There is not really proof that I got hit, which is good." The Astros went 1 for 9 with runners in scoring position against Koehler and finished 1 for 12 overall. "We had some opportunities and, you know, had the right guys out there," Houston manager Bo Porter said. "We hit one line drive off the pitchers back or shoulder and the short stop catches the ball. Its just one of those things. We had some opportunities. We were just not able to get the big hit." NOTES: After the game, Houston placed RHP Josh Zeid on the disabled list with a left foot injury. The Astros also optioned RHP Brad Peacock to Triple-A Oklahoma City to work on his fastball command, Porter said. LHP Brett Oberholtzer will start in Peacocks place Monday against Oakland. ... Houston RHP Collin McHugh will be activated from the disabled list to start on Sunday. McHugh, 4-8 with a 3.28 ERA, has been out since July 7 because of an injury to his right middle finger. McHugh, who last started in the majors on July 6 in a loss at the Los Angeles Angels, threw five innings in a rehab outing Tuesday for Oklahoma City. Miami will start RHP Jacob Turner, 3-6 with a 6.03 ERA. ... Gonzalez returned to the lineup after missing Fridays game because of soreness in his right hamstring. Walt Tkaczuk Jersey .Just like old times.Only this time, just one got to enjoy a victory.James return to Miami as an opponent was a success — for the Heat, that is. Wade scored 24 of his 31 points in the first half, Luol Deng had 25 points and dogged James defensively all night, and the Heat beat the Cleveland Cavaliers 101-91 in a hyped Christmas matchup Thursday. Custom New York Rangers Jerseys . They were right in that they responded to coach Randy Carlyles goaltending switch to erase a two-goal deficit. http://www.rangershockeyonlineshop.com/glenn-anderson-hockey-jersey/ .J. - Pete Carroll is in support of the NFL looking further into whether medicinal marijuana could beneficial for players. James Patrick Jersey . Top-seeded Djokovic swept to a 6-1, 6-3 win over 51st-ranked Roberto Bautista Agut of Spain in just 57 minutes, but fourth-seeded Federer had to see off a serious challenge from 48th-ranked Radek Stepanek of the Czech Republic before coming through 6-2, 6-7 (4), 6-3. Jaromir Jagr Jersey .ca/CurlingSkins - with the Top 16 curlers earning a ticket to Banff, Alta. to compete in the TRAVELERS ALL-STAR CURLING SKINS GAME Presented by Pintys, running Jan.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. Corey Crawford, Chicago Blackhawks (4) – Crawfords third period save on Zach Parise is exactly what he is all about, timely save to preserve the lead. His positioning has been excellent, efficient and confident. Hes not chasing the puck, not opening up and he just makes it look easy when hes feeling it. His biggest strength comes in his ability to read plays. Ilya Bryzgalov, Minnesota Wild (3) – Bryzgalov didnt receive help on any of the three goals he gave up. Jonathon Toews goal is a prime example of that; great save on Hossa, only to have Toewws jam in rebound.dddddddddddd Bryzgalov made some real good saves on Hossa, Bickell and Saad to give his team a chance today, however Minnesota was simply not very sharp. Marc-Andre Fleury (5) – Fleury made good saves early on the penalty kill on Pouliot, Moore, and overall, made great scramble plays in the crease all night long. He was very strong handling the puck tonight with both his decision making and exchanges with D-men tonight. Henrik Lundqvist (4) – Lundqvist made big saves on Kunitz, Sutter, Crosby, Bennett and Sutter tonight and had no chance on the goals against. He was the only reason this was two-goal game (outside the empty-netter). He made great reaction plays and fought through crease battles as he was under siege all night long. 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