The Marlins beat the Mets, 10-7, on Monday afternoon in Jupiter.
Jose Valverde pitched 1 2/3 innings of hitless baseball, striking out two.
Scott Rice was charged with two earned runs when Giancarlo Stanton hit a three-run home run off Gonzalez Germen, who inherited runners from Rice.
The Mets hat nine hits and eight walks on the day.
Anthony Recker and Anthony Seratelli each had two hits and an RBI.
Ruben Tejada went 1-3 with two strikeouts.
Matt den Dekker went 0-2 with two walks and two strikeouts.
For the full recap, visit SNY.tv.
The Mets host the Tigers on Tuesday, a 1:10 p.m. game.