John Brown wanted to capitalize on a stellar rookie campaign.

So he cut out fast food from his diet.

He also gained 10 pounds of muscle in the offseason.

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Brown appeared on NFL on ESPN with Trey Wingo, who teased Brown by eating a cheeseburger, fries and soda during the interview.

Despite the urging from Wingo to have a "cheat day," Brown politely declined.

The second year-player is taking this fast food hiatus seriously.

(h/t Twitter)