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WASHINGTON -- Arizona Diamondbacks manager Chip Hale wasnt sure what to expect from Matt Koch in his first major league start. He just knew it wouldnt be a long outing.Koch knew it, too, and he made the most of his limited time on the mound, allowing one hit and two runs in five-plus innings as the Arizona Diamondbacks lost 4-2 to the Washington Nationals on Tuesday night.The 25-year-old no-hit the NL East champions through five innings before Jose Lobaton singled to lead off the sixth. Walking pinch-hitter Wilmer Difo spelled the end of Kochs night at 69 pitches with a blister issue cropping up along the way.Hale said the pitch count and not the blister was the reason he took Koch out of the game after an impressive showing.We wanted to see him pitch up here and get a chance to start, Hale said. He showed us he can do it. ... We were real close on the 70-75 pitches we wanted to get him, so we were really happy with what he did. Its too bad. He had a win in his pocket there and it went away quick.Anthony Rendon hit a three-run homer off Randall Delgado (4-2) to provide the winning margin for the Nationals, trying to secure home-field advantage in their NL Division Series against the Dodgers.Washington leads Los Angeles by two games with five to play, after the Dodgers lost 7-1 at San Diego.Diamondbacks second baseman Jean Segura hit a leadoff homer against Max Scherzer (19-7), and Welington Castillo had an RBI double in the third. But the Cy Young Award candidate settled in to strike out 10 in six innings.Hale acknowledged being surprised by Kochs performance, even if the right-hander didnt impress himself.Just trying to get quick outs, Koch said. I knew I was at my pitch limit, so I was just trying to make the most of the pitches I had and trying to get quick groundball outs.It worked for most of the game, and the Louisville product started thinking about a potential no-hitter after getting through four.My mindset was just stay focused and keep the ball down, he said.Koch succeeded in doing that even if Delgado made a mistake that cost the Diamondbacks a victory. With the organization looking ahead to next season and beyond, Koch did well in a spot start in place of Zack Greinke after five career relief appearances.This was a guy who has already shown in the relief appearance that we gave him that hes not afraid and he goes right at guys, Hale said. He was very, very, very good.SCHERZER DOMINATESScherzer mixed his slider, curveball and changeup in with his overpowering fastball to wrest control of the game back. At one point he struck out six consecutive hitters.What allowed him to settle in is that he changed his game plan because you could tell their game plan on him was to sit hard and early in the count, Nationals manager Dusty Baker said. That was just a veteran making the adjustment at the right time.TRAINERS ROOMDiamondbacks: Hale said RHP Rubby De La Rosa successfully had stem cell injections in his elbow. De La Rosa is trying the stem cell procedure in an attempt to avoid a second Tommy John surgery.Nationals: C Wilson Ramos is out for the rest of the season and playoffs after an MRI revealed a torn ACL in his right knee. ... LHP Sammy Solis threw a perfect seventh inning in his first appearance since Aug. 15 after a stint on the DL with shoulder inflammation. ... OF Bryce Harper missed another game with a left thumb injury. ... 2B Daniel Murphy remained out with a strained glute.UP NEXTLHP Gio Gonzalez (11-10, 4.51 ERA) starts the third of the four-game series for the Nationals against Diamondbacks RHP Shelby Miller (2-12, 6.47). Custom NCAA Shirts From China . The defence is doing its part, too. Drew Brees threw a pair of touchdown passes in the first half and the guys on the other side made sure that was enough, sending the Saints to a 17-13 victory over the Atlanta Falcons on Thursday night. Custom UCF Knights Jerseys . Haas said he "felt a lot of pain" in his right shoulder when he slammed his racket to the ground in frustration after losing his serve at 3-3 in the first set. http://www.customjerseysncaa.com/ . "I dont know that were close," said general manager Alex Anthopoulos. "I just think, right now, the acquisition cost just doesnt work for us right now. I dont know if I can quantify how far off or things like that that they might be but I would say we continue to have dialogue. Clearance Custom College Jerseys . And when it opened, every player was at his stall. Thats a sure sign that a team is in a slump and is searching for answers. "Its embarrassing to be at home and play the way we did," said defenceman Josh Gorges. Discount Custom College Jerseys . Down by seven with 90 seconds left in regulation, thats where they looked comfortable. Serena Williams won her 22nd major title and tied Steffi Graf for most in the Open era with her win over Angelique Kerber in the Wimbledon final Saturday. Heres a comparison of the two tennis legends who stand side-by-side in the record book.Major titlesMajors playedWhere they won their majorsRunner-up finishes at majorsOOverall record at majorsAge at time of first major titleAge at time of 22nd major titleCareer recordTotal WTA singles titlesCareer weeks at No.dddddddddddd 1Career prize moneyHead-to-head wins ' ' '