Since 1996, Gary Sheffield's 42 home runs stood as the Marlins' single-season franchise record.
But on Monday, slugger Giancarlo Stanton took over that mantle with a first-inning two-run homer off Ty Blach, his 43rd longball of the season.
After the game, Stanton's teammates doused him with beer in the shower.
For some reason, Stanton was in a laundry cart.
"When you're one homer or one hit away from a record, you don't want to let it linger because then every at-bat is, `Is he going to do it? Is he going to do it?'" Stanton told reporters after the game. "So luckily I got it out of the way right away, put us on top, and able to finish."
"He's on a sick terror," Marlins second baseman Dee Gordon said. "He's amazing."
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The Associated Press contributed to this report.