Rob Gronkowski's post-NFL routine includes 24-hour fasts, Tom Brady-type workouts and Sudoku

5:21am PST - January 23rd, 2020    rob gronkowski - CNBC

Former New England Patriots tight end Rob Gronkowski (aka "Gronk") won three Super Bowls and earned more than $50 million by the age of 30. Since retiring from the NFL in March, Gronkowski says he has started eating organic and intermittent fasting and adopte…