New York Mets first baseman Pete Alonso went 2-for-4 with a walk and a grand slam in a 10-4 win over the Miami Marlins on Monday. Alonso launched his first homer of the season off Cal Quantrill in the fifth inning to break the game open and give the Mets a 6-1 lead.

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Pete Alonso hit a grand slam and the New York Mets beat the Miami Marlins 10-4 on Monday night. Starling Marte, Luis Torrens and Brandon Nimmo also went deep for the Mets, who finished with 11 hits in the opener of a three-game series. Every starter in the lineup had at least one.

Pregame analysis and predictions of the New York Mets vs. Miami Marlins MLB game to be played on March 31, 2025 on ESPN.

Alonso went 2-for-4 with a grand slam, a walk and an additional run scored in Monday's 10-4 win over Miami. Alonso broke this one wide open in the fifth inning, taking Marlins right-hander Cal Quantrill deep to plate four runs and give the Mets a 6-1 lead.

Miami; Tuesday, 6:40 p.m. EDT PITCHING PROBABLES: Mets: Kodai Senga (0-0); Marlins: Sandy Alcantara (0-0, 3.86 ERA, 1.29 WHIP, seven strikeouts) BETMGM SPORTSBOOK LINE: Mets -157, Marlins +133; over/under is 7 1/2 runs BOTTOM LINE: The New York Mets face the Miami Marlins leading the series 1-0.