PITTSBURGH -- The Arizona Diamondbacks have a lot of ground to make up if they are going to get to the post-season. Martin Prado hopes that Saturdays 20-hit outburst was a step in the right direction. Prado went 4 for 5 with a three-run home run and Paul Goldschmidt added a three-run shot and the Diamondbacks routed the Pittsburgh Pirates 15-5 on Saturday. The Diamondbacks won for the fourth time in five games. They entered the day 8 1/2 games behind the Los Angeles Dodgers in the NL West and six games behind the Cincinnati Reds for the second wild card. "I feel like this is the beginning of what we should do from now on," Prado said. "I feel like everybody contributed. Were hoping to keep having this offence all the way through the end of the season. "Being realistic, its not going to be like this every day, but I liked the way we prepared for the game then everybody had gd at-bats." Prados 11th homer of the season capped a six-run third inning against All-Star Jeff Locke and put the Diamondbacks ahead 8-0. Prado has driven in 13 runs in his past 10 games. "Its just the way baseball goes," Prado said of his RBI surge. "Im on a hot streak right now. You might go a month and not get an RBI. I just want to ride the streak as long as I can." Goldschmidts 30th homer came in the ninth and tied him with Pittsburghs Pedro Alvarez for the National League lead. Alvarez hit his 30th earlier in the game. Goldschmidt and Didi Gregorius each had three of the Diamondbacks 20 hits. Gregorius, a rkie shortstop, had gone 2 for 29 in his previous eight games. "A lot of times you can tell how a guy is going to do in the game by his batting practice," Arizona manager Kirk Gibson said. "Didi didnt really have a set pre-game routine until today. Hes finally found a routine that works and you saw the results. I think its going to make a big difference for him." Trevor Cahill (4-10) earned his first win since May 17. He went five innings and allowed four runs and seven hits. He was activated from the disabled list before the game. He had been out since July 1 with a bruised right hip. A.J. Pollock, Aaron Hill, Wil Nieves and Gerardo Parra had two hits each and Nieves had three RBIs, including a two-run double in the first inning to give Arizona an early lead. After going 0-6 with a 7.91 ERA in his previous eight starts, Cahill struck out four and walked one. "It felt like my debut all over again," Cahill said. "It was a weird feeling, like I hadnt done this before. Ill take the win, enjoy the great offensive support and then work on some things so Im better in my next start." Alvarez hit a three-run home run and Starling Marte added a solo shot for NL Central-leading Pittsburgh in the third inning, enabling the Pirates to cut the lead to 8-4. Andrew McCutchen had three hits and Neil Walker and Jose Tabata had two each. McCutchen has had multiple hits in 10 of his past 14 games. Locke (9-4) allowed eight runs and 10 hits in 2 2/3 innings while walking three and striking out two. He is winless in his past four starts and gave up more than three runs for just the second time in his past 18 starts. "Today was a reality check for me, absolutely," Locke said. "Any start like that is a reality check. You set your standards high, you set your goals high and youre disappointed when you dont reach them. I wasnt sitting there pouting about it, though, when I came out of the game. Its just the nature of the game to occasionally have a day like this." Prados home run with two outs in the third put Arizona ahead by eight and Locke was removed after Goldschmidt followed with a single. Goldschmidts hit was the seventh in a row by the Diamondbacks in the inning, tying a club record. Gregorius doubled in the first run of the third and Cahill, who was hitting .063, followed with a two-run single. The Pirates, who have dropped six of eight, cut the deficit to 8-5 in the sixth when Russell Martin doubled and scored on Tabatas single. However, Joe Thatcher came on and struck out Walker with the bases loaded to end the threat. Thatcher has inherited four bases-loaded situations this season and has not allowed a run. Arizona added four runs in the eighth inning on pinch-hitter Jason Kubels two-run single, Nieves sacrifice fly and Gregorius RBI single. Goldschmidts homer in the ninth gave the Diamondbacks a season high in runs. "Thatchers strikeout was really big," Gibson said. "Even though the game was 15-5, it was a close game. They had a lot of pressure on us. People are going to lk at score and say it was a blowout, but it was far from that. Thats a gd team over there and they kept coming at us." NOTES: The series concludes Sunday with Arizona LHP Wade Miley (9-8, 3.63) facing Pittsburgh RHP Charlie Morton (4-3, 3.79). ... The Diamondbacks optioned RHP Chaz Roe to Triple-A Reno to open a roster spot for Cahill. ... Arizona C Miguel Montero, who has been on the DL with a strained lower back since July 29, began an injury rehab assignment with the rkie-level Arizona League Diamondbacks on Saturday. ... The Pirates are hopeful RHP Jason Grilli, who has been on the disabled list since July 23 with a strained right forearm, can begin throwing off a mound by next weekend. Grilli has converted 30 of 31 save opportunities. kiestore.com/Cardinals-Willie-Mcgee-Kids-Jersey/" target="_blank">Willie McGee Jersey . The (11-11-4) Jets are seventh in the Central Division with 26 points. Fifth place Dallas and sixth-seeded Nashville also have 26 points, but the Stars have three games in hand on Winnipeg while Nashville has two. kiestore.com/" target="_blank">St. Louis Cardinals Jerseys . But now that hes in the NHL, the Calgary Flames centre showed big improvement in that department by scoring the winner in the eighth round of a 5-4 shtout victory over the Winnipeg Jets on Monday. kiestore.com/Cardinals-Jedd-Gyorko-Kids-Jersey/" target="_blank">http://www.cardinalsrkiestore.com/Cardinals-Jedd-Gyorko-Kids-Jersey/ . Louis. To which I would say two things: 1. Where there is smoke, there is or perhaps has been a little fire. Or, in other words, the two teams would appear to have at least spoken. And spoken is defined as one calling the other to inquire, no more, no less. kiestore.com/Cardinals-Albert-Pujols-Kids-Jersey/" target="_blank">Albert Pujols Jersey . Any real chance at payback wont come until the playoff. Still, Pittsburgh knows its taut 3-2 win over the Bruins on Wednesday night is a pretty gd place to start laying the groundwork. "They are a very gd defensive team," Penguins forward Brandon Sutter said. kiestore.com/Cardinals-Steve-Carlton-Kids-Jersey/" target="_blank">Steve Carlton Jersey . With the short-handed Warriors needing help from someone -- anyone -- to stop a three-game skid, ONeal returned from right knee and groin injuries that had sidelined him for four games and put up season highs with 18 points and eight rebounds. It was just enough to help lift Golden State to a 102-101 victory over the New Orleans Pelicans on Tuesday night. NEW YORK -- Riot Worthy rallied to beat Uncle Southern by three-quarters of a length Wednesday in the $59,000 allowance feature for New York-bred fillies and mares at Aqueduct.Manny Franco angled the 3-year-old five wide turning for home and she launched a sustained bid to earn her third win in 15 starts.The time was 1:13.55 fr the six furlongs.ddddddddddddOwned and trained by Charlton Baker, Riot Worthy paid $7, $4 and $3.10 as the 5-2 favorite.Uncle Southern returned $4.60 and $2.40 and Pretty Enuff paid $4.40 to show. ' ' '