Arenado’s grand slam in the 1st inning helps power the Diamondbacks to a 12-2 win over Giants

PHOENIX (AP) — Nolan Arenado hit his seventh career grand slam, Gabriel Moreno added a two-run homer, and the Arizona Diamondbacks defeated the San Francisco Giants 12-2 on Monday night.

Arizona matched season highs with 12 runs and 16 hits. Every Diamondbacks player had at least one hit. Ryan Waldschmidt led the way with two doubles and a single. Corbin Carroll hit his fifth triple of the season.

Zac Gallen (2-4) had his second quality start and the ninth overall for the Diamondbacks May 5. He threw six innings and struck out five while allowing four hits and two runs.

The first four batters reached for Arizona, capped off by Arenado’s 403-foot grand slam to left field. They added two more runs in the second, one in the third, and five in the fifth.

Moreno hit a 398-foot homer as the second batter of the inning, and Waldschmidt and Ketel Marte each drove in another run. Marte scored on an error, ending the scoring for the inning.

Robbie Ray (3-6) took the loss for the Giants, allowing 11 hits and 10 runs, nine earned, in 4 1/3 innings. He struck out one and walked two.

Willy Adames had a 388-foot solo homer in the second inning, and Luiz Arraez hit a sacrifice fly in the third.

Up next

Giants RHP Landen Roupp (5-4, 3.49 ERA) faces Diamondbacks RHP Ryne Nelson (1-3, 5.40) in the second game of the series. ___

AP MLB: https://apnews.com/mlb

Arenado's grand slam in the 1st inning helps power the Diamondbacks to a 12-2 win over Giants | iNFOnews.ca
Arizona Diamondbacks’ Gabriel Moreno, front right, celebrates with Ildemaro Vargas (6) after hitting a two-run home run against the San Francisco Giants in the fifth inning of a baseball game, Monday, May 18, 2026, in Phoenix. (AP Photo/Rick Scuteri)
Arenado's grand slam in the 1st inning helps power the Diamondbacks to a 12-2 win over Giants | iNFOnews.ca
Arizona Diamondbacks pitcher Zac Gallen throws against the San Francisco Giants in the first inning of a baseball game, Monday, May 18, 2026, in Phoenix. (AP Photo/Rick Scuteri)
Arenado's grand slam in the 1st inning helps power the Diamondbacks to a 12-2 win over Giants | iNFOnews.ca
Arizona Diamondbacks’ Nolan Arenado, second from right, celebrates with Corbin Carroll (7) and Geraldo Perdomo (2) after hitting a grand slam against the San Francisco Giants in the first inning of a baseball game, Monday, May 18, 2026, in Phoenix. (AP Photo/Rick Scuteri)
Arenado's grand slam in the 1st inning helps power the Diamondbacks to a 12-2 win over Giants | iNFOnews.ca
San Francisco Giants pitcher Robbie Ray throws against the Arizona Diamondbacks in the first inning of a baseball game, Monday, May 18, 2026, in Phoenix. (AP Photo/Rick Scuteri)

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