Meanwhile, the Padres announced Chris Paddack, the right-handed pitcher acquired from the Marlins in the Fernando Rodney trade, is out indefinitely with a right forearm strain suffered while preparing to pitch Monday night for Class A Fort Wayne.
Pimentel (10-5, 5.68 ERA) allowed one hit and two walks with four strikeouts over six innings, as El Paso improved to 59-44. Dimock (4.02 ERA) allowed one hit over three scoreless innings to complete the shutout and pick up his third save.
Infielder Diego Goris (.291) hit a two-run homer for the Chihuahuas. Catcher Austin Hedges (.361) was 1-for-3 with a walk and two runs scored. Designated hitter Hector Sanchez (.433) had a two-run double in four at-bats. Second baseman Carlos Asuaje (.328) and shortstop Nick Noonan (.322) were each 1-for-3 with a RBI and a run scored.
Stevens' homer in the bottom of the 10th gave the Missions a 6-2 win over Corpus Christi in San Antonio. Stevens (.267) was 3-for-5 with two runs scored and the four RBIs on the walk-off grand slam. Right fielder Nick Schulz (.282) hit his sixth homer, a two-run shot, in four at-bats.
Starting right-hander Seth Simmons (2.22 ERA) allowed one run on five hits and three walks with six strikeouts in 6 2/3 innings as San Antonio improved to 17-15 in the second half and 39-63 overall.
Left-hander Brad Wieck (0.87 ERA) hit a batter and allowed one run in one-third of an inning. Right-hander Adam Cimber (2.37 ERA) allowed one hit in one-third of an inning. Right-hander Yimmi Brasoban (2.08 ERA) struck out one in 2 1/3 perfect innings. Right-hander Jason Jester (2-1, 2.54 ERA) struck out one in a perfect top of the 10th.
Around the farm
CLASS A LAKE ELSINORE (20-12, 52-50) -- LANCASTER 12, STORM 4: 1B Ricardo Valenzuela (.231) had a RBI double in three at-bats. 2B Josh VanMeter (.267) was 1-for-3 with a walk and two runs scored. LF Edwin Moreno (.254) was 1-for-3 with a walk and a run scored. Starting RHP Zech Lemond (3-4, 6.11 ERA) allowed seven runs on eight hits and one walk with four strikeouts in 5 1/3 innings. RHP Martires Arias (5.73 ERA) allowed four runs on three hits and two walks without retiring a hitter. RHP Ben Paullus (5.53 ERA) allowed one run on four hits and one walk with a strikeout in two innings. RHP Trey Wingenter (2.28 ERA) issued one walk with a strikeout in 1 2/3 innings.
CLASS A FORT WAYNE (10-21, 46-55) -- The TinCaps were off Tuesday.
SHORT SEASON TRI-CITY (0-1, 19-20) -- SPOKANE 5, DUST DEVILS 4: 1B Wilfri De La Cruz (.278) was 2-for-4 with two RBIs and a run scored for Tri-City, which lost the first-half division title in the Northwest League's North Division the previous night. 3B Westhers Magdaleno (.267) was 2-for-4 with a run scored. Starting LHP Will Headean (2-3, 5.35 ERA) allowed four earned runs on five hits and one walk with seven strikeouts in six innings. RHP Nick Monroe (3.00) allowed one hit in a scoreless inning. LHP Nathan Foriest (3.35) allowed two hits in a scoreless inning.
ARIZONA ROOKIE PADRES (13-16) -- PADRES 7, MARINERS 3: SS Hudson Potts (.304) was 2-for-4 with a RBI and a run scored. 1B Jacquez Williams (.159) was 2-for-4 with a triple, a RBI and a run scored. RF Manny DeLeon (.223) was 2-for-4 with a RBI and two runs scored. DH Luis Anguizola (.308) was 1-for-2 with a RBI and a run scored. Starting RHP Emmanuel Clase (9.00 ERA) allowed three hits and a walk with three strikeouts in four innings. RHP Jim McDade (4-0, 1.83) allowed one run on three hits and a walk with two strikeouts in three innings. RHP Andres Munoz (5.40) gave up one run on two hits with two strikeouts in an inning. RHP Wilmer Torres (2.19) allowed one run on one hit with a strikeout in an inning.
DOMINICAN SUMMER LEAGUE PADRES (18-25) -- PADRES 3, BLUE JAYS 1: 2B Eguy Rosario (.323) was 2-for-4 with a double, two stolen bases, a RBI and a run scored. SS Kelvin Melean (.214) was 1-for-4 with a RBI and two runs scored. CF Angel Santos (.278) was 1-for-3 with a double, a walk, a steal and a RBI. Starting LHP Cristian Machuca (1-5, 5.90 ERA) allowed an unearned run on six hits with three strikeouts in six innings. LHP Adolfo Hernandez (2.01 ERA) allowed one hit and two walks with a strikeout in 2 1/3 innings. RHP Edwuin Bencomo (6.28 ERA) struck out one in two-thirds of a perfect inning for his second save