Sacramento River Cats beat 51s 8-4

■ WINNING/LOSING PITCHER: River Cats, Brian Gordon (1-0); 51s, Dylan Owen (0-1)

■ HIGHLIGHTS: At West Sacramento, Calif., the River Cats (1-3) hit three home runs during a six-run seventh inning and dealt the 51s (3-1) their first loss. Michael Choice hit a grand slam to give Sacramento a 6-2 lead, and Taylor followed with a solo shot to chase reliever Dylan Owen. After retiring Scott Moore on a fly out, Armando Rodriguez gave up a homer to Stephen Vogt, who also doubled twice and had two RBIs. ... Las Vegas starter Carlos Torres allowed two runs on five hits and three walks, with three strikeouts, in 5 2/3 innings. ... River Cats starter Sonny Gray allowed two hits and walked three, with four strikeouts, in six scoreless innings. … Juan Legares and Josh Satin each had two hits for the 51s, who tied it with two runs in the seventh, and Reese Havens, Wilmer Flores, Zach Lutz and Brian Bixler had RBIs. ... Sacramento leadoff man Jemile Weeks was 3-for-5 with two runs, and Grant Green was 2-for-4 with an RBI double. … Las Vegas concludes its opening eight-game road trip with a four-game series against the Fresno Grizzlies, Triple-A affiliate of the San Francisco Giants, today through Thursday. … The 51s’ home opener is Friday against the Colorado Springs Sky Sox.

■ NEXT: 51s (LHP Darin Gorski) at Fresno Grizzlies (RHP Boof Bonser), 7:05 p.m. today, KBAD-AM (920)