Michael Conlon of the Yankees is 6'7, 295lbs. That's the same height and 10lbs heavier than CC Sabathia!
He also happens to be a 4x MVP (including the past 2 seasons), 6x All-Star, and 5x Silver Slugger.
Not surprisingly, his speed rating is 1.
edit: Start of the 2025 season, he's now 300lbs!