It’s time for Dan Marino to tap gloves with DJ Khaled and come out fighting.

The Hall of Fame quarterback and social-media celebrity are on opposing sides in the battle for diet dollars as Nutrisystem Inc. and Weight Watchers International Inc. turn their attention to men in a market geared primarily toward women.

Nutrisytem has trotted out Marino, who has endorsed its weight-loss program for more than a decade, to tout new protein shakes and snacks like beef jerky and bacon ranch chips that appeal to men. Weight Watchers, fresh off a year that saw its stock nearly quadruple, has signed rapper DJ Khaled as a “social media ambassador.”