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PHOENIX -- The Diamondbacks understand what they are up against entering the second half of the season, and their comeback victory against San Francisco on Saturday was a step in the right direction.Welington Castillos three-run homer in the eighth inning put the finishing touches on a four-run comeback for an exhilarating 6-5 victory, snapping a six-game losing streak.As for something to build on as the teams prepare for the final game of a three-game homestand, time will tell.I hope so, said Arizona first baseman Paul Goldschmidt, who made a lunging stop with a runner on first base to preserve reliever Jake Barretts first major league victory and Brad Zieglers 17th save for the final out Saturday.Youd like to say yes, but who knows if you can. You show up tomorrow and it is zero-zero and it doesnt really matter that much. We need the win, just because we know how far back we are from San Fran and even in the wild card, so any win is going to be big. Hopefully the momentum carries over, but I know they are not going to be fazed by it.They are fine coming off losses, and it is not like if we would have lost we would have showed up and been hanging our heads tomorrow. Hopefully we can win the series.The D-backs (37-46) will send left-hander Robbie Ray against Giants right-hander Albert Suarez in the finale of the three-game series at Chase Field on Sunday.Arizonas victory Saturday was the first by the home team in the first 10 games of the season series. The Diamondbacks swept a four-game series at AT&T Park on April 18-21 before the Giants swept a four-gamer series at Chase Field on May 12-15. The Giants won the opener of this series Friday, coming back from two three-run deficits in a 5-4 victory.That is one we let get away, San Francisco manager Bruce Bochy said Saturday.Castillo has homered in two consecutive games and has hit four of his 10 homers against the Giants this season. He had seven in his first 21 games before going 28 games without one, connecting again June 17.Asked if his homers come in bunches, Castillo drew chuckles when he said, Thats what it looks like. Ive been feeling good lately. I know I went through a tough moment. I dont worry about my hitting. I know I can hit a little bit. Just time, and its going to come.Arizona third baseman Jake Lamb had two hits and a walk Saturday and is close to becoming the fourth player (five occurrences) in franchise history to have 20 doubles and 20 homers before the All-Star break. Lamb hit his 19th double Saturday and has 18 homers after hitting one in each of the three previous games. Only Paul Goldschmidt (twice), Matt Williams and Jay Bell have done it.Ray (4-7) threw six shutout innings for his first victory of the season at San Francisco on April 19, and he is 1-0 with a 1.64 ERA in two career starts against the Giants. He averages 10.42 strikeouts per nine innings, seventh highest among NL starters and third highest among left-handers.Suarez (3-1) will make his sixth start Sunday and also has made six relief appearances. He took Matt Cains spot in the starting rotation when Cain went out with a right hamstring strain. He has a 4.39 ERA in five starts and will gave the Diamondbacks for the first time. Air Max 97 Baratas Mujer . -- Eastern Kentucky thrives off creating havoc for others. Nike Air Max 720 Mujer Baratas .ca looks back at the stories and moments that made the year memorable. http://www.tiendasairmaxbaratas.com/zapatillas-nike-just-do-it.html . LeBron James and Chris Bosh didnt need any more. Williams scored 11 points in 10 minutes, Alan Anderson scored 17 points, and the Brooklyn Nets finished the exhibition season with a 108-87 win over the Miami Heat on Friday night. Nike Air Max Axis Baratas . -- Anaheim Ducks captain and leading scorer Ryan Getzlaf has been scratched from Sunday nights game against the Vancouver Canucks because of an upper-body injury. Nike Air Max Baratas . Manuel was offered a position the day he was fired. He accepted earlier this week and the team made the announcement Friday. After a good rest following an uncharacteristic run in the Grade 1 Longines Kentucky Oaks on May 6, Rachels Valentina is coming back to the races.Stonestreet Stables homebred Bernardini filly, a daughter of Horse of the Year Rachel Alexandra, takes on six rivals in the $300,000, Grade 1 Mother Goose Stakes on July 2 at Belmont Park. She finished off the board for the first time in her career with a sixth-place finish in the 1-1/8-mile Kentucky Oaks -- after missing by a neck in the 1-1/16-mile Ashland Stakes at Keeneland April 9 to 30-1 upsetter Weep No More.In the Mother Goose, Rachels Valentina backs up to the 1 1/16-mile distance again, at which she ran second last fall to Songbird in the 14 Hands Winery Breeders Cup Juvenile Fillies, also at Keeneland. Her two victories from five starts came at Saratoga Race Course last summer, where she broke her maiden going six furlongs en route to a win in the seven-furlong, Grade 1 Spinaway Stakes.Rachels Valentina drew post-position 6 and will have Hall of Famer John Velazquez aboard as one of three contenders for trainer Todd Pletcher.Pletcher also sends out King of Prussia Stables Mo dAmour, who finished fifth in the Kentucky Oaks and failed to menace on the turf last time out with an eighth in the June 5 Wonder Again Stakes at Belmont. He has Off the Tracks as well, turning back from her runner-up finish to Carina Mia in the Grade 1 Acorn Stakes on June 11 for Newtown Anner Stud and J Stables.Trainer Chad Brown will be represented by Kentucky Oaks third-place finisher Lewis Bay, also making her return to the races. Prior to the Oaks, the consistent Alpha Delta Stable homebred never finished worse than second in five starts, including a pair of Grade 2 victories at Aqueduct -- the Demoiselle last fall and the Gazelle on April 9 -- along with a runner-up finish to Kentucky Oaks winner Cathryn Sophia in the Grade 2 Davona Dale Stakes att Gulfstream Park in February.ddddddddddddLewis Bay will break from post-position 5 with regular jockey Irad Ortiz Jr. aboard.Up Hill Stables and Head of Plains Partners undefeated Lightstream could prove formidable while stretching out for the first time and putting her three-race win streak on the line with a return to dirt.This will be a good test for her, [to see] whether she fits with these sorts of horses in a Grade 1 and if she handles the distance, which Im confident she will, trainer Brian Lynch said.Winner of the Soaring Softly Stakes on May 21, her third straight win at seven furlongs and first on the turf, Lightstream has been a star pupil thus far as she prepares to make the jump to the highest ranks, where she will be ridden by Joel Rosario for the first time. The pair will leave from the outside.She had a nice breeze over the weekend to set her up for the race. Rosarios been working her and everything seems like hes happy and shes happy, Lynch said. I think shell get the mile and sixteenth. Shes very rideable and shes got that turn of foot.The lightly raced Harlans Holiday filly debuted at Gulfstream Park in March with a 2-1/4-length score, and graduated in the stakes ranks in her next start, diving through an opening along the rail in the stretch to post a three-quarter-length victory in the Grade 3 Beaumont Stakes on April 17 at Keeneland.In the Soaring Softly, Lightstream missed the break but regrouped with a wide chasing trip to prevail by a half-length.Shes been a great overachiever. Any kind of hiccup shes had -- whether she breaks a bit slow, or gets herself into some trouble -- shes been able to overcome everything so far, Lynch said. Were looking forward to running her.For more stories like this check out Americas Best Racing. 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