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Four weeks after teammate Johnathan Banks said he went from “fat” to “looking like a defensive back,” Buccaneers quarterback Jameis Winston shared some details of how he’s dropped an estimated 18 pounds over the last three months.

Winston told ESPN.com he’s focused on portion control in his diet, has avoided late-night snacks and has tried to make the most of high-intensity workouts with renowned trainer Tim Grover, to whom Winston reached out early in the offseason.

“I heard from around the league that most rookies that come in, if they have a great year, they don’t have a plan for the offseason,” Winston said. “I had never handled an actual offseason before.”

Winston, the No. 1 overall pick in the 2015 draft, played baseball in the spring during his college career at Florida State. He first had to convince Grover he would be committed to getting in better shape, then had to make some adjustments to follow Grover’s diet plan.

“He’s a special individual from a knowledge standpoint,” Grover said. “He just didn’t know it. He’s gone so long on natural talent, he didn’t know how to take care of his body, what to eat, what to drink or how to get his rest.”

Winston said he started in the “upper 240s” and that Grover developed a exercise and diet plan with an ideal weight range of 225-229 in mind. The Bucs list Winston at 231 pounds.

“My body feels much better,” Winston said. “When you’re working out consistently and staying in shape, you never have to get in shape. That’s the biggest thing.”