Once a Yankee, always a Yankee! MLB legend Bernie Williams might not play baseball anymore, but it’ll always be an important part of his life, the 55-year-old admits during an exclusive chat with OK! about the sport while promoting his Tune Into Lung Health campaign — a “program that uses music to raise awareness about interstitial lung disease.” Acknowledging he’ll never “be able to divorce completely” from the sport itself, Williams jokes he and baseball are “joined at the hip.” “It’s a great thing to be associated with an organization like the Yankees. They have opened so many doors for me …