Dan Marino Battling DJ Khaled as Diet War Focuses on Men

  • Weight Watchers, Nutrisystem have both mounted comebacks
  • Oprah has helped push shares higher with marketing presence

DJ Khaled

Photographer: Jerritt Clark/Getty Images

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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.