Dickerson was 2-for-4 with four RBIs and two runs, and he raised his batting average to .318. Medica's three hits boosted his average to .326.
Third baseman Brett Wallace was 2-for-4 with two runs to extend his hitting streak to 10 games. He ranks third in the PCL with a .432 average (16-for-37) and leads the league with a .523 on-base percentage.
The win was the fifth straight for El Paso, one shy of the Chihuahuas' record.
Left-hander Jason Lane allowed six runs (five earned) on 11 hits and two walks with six strikeouts in five innings. Righty reliever Leonel Campos (1-0, 1.35 ERA) struck out three in two perfect innings to get the win.
Right-hander Nick Vincent (1.93 ERA) issued a walk with a strikeout in two-thirds of an inning. Fellow righty Marcos Mateo (1.50) picked up his third save, allowing a walk with a strikeout in a hitless ninth.
Around the farm
Double-A San Antonio (4-6): Springfield 9, Missions 2. Shortstop Trea Turner (.324) was 2-for-4 with a double and a two-run homer to account for San Antonio's only runs. Center fielder Travis Jankowski (.333) was 1-for-3 with a walk and a run. Right-hander Dennis O'Grady (3.60 ERA) allowed two runs on three hits and two walks with five strikeouts in five innings. Right-hander Casey Kelly (0-2, 18.00 ERA) allowed a two-run homer in his inning of relief to take the loss.
Class A Advanced Lake Elsinore (3-8): Rancho Cucamonga 6, Storm 2. Right-hander Ryan Butler (1-1, 1.65 ERA) pitched 5 1/3 scoreless innings to open the game, but he gave up four runs (two earned) without retiring a hitter in the sixth. The 23-year-old gave up seven hits and a walk with four strikeouts in 5 1/3 innings. He is tied for the eighth-lowest ERA in the California League.
Class A Fort Wayne (2-5): West Michigan 4, TinCaps 1. Shortstop Franchy Cordero was 2-for-4 with a double and scored Fort Wayne's lone run on a single by center fielder Michael Gettys. Left-hander Thomas Dorminy (0-2, 9.00 ERA) allowed four runs on five hits and a walk over five innings.