For more than two decades, New Era has been a part of some of the greatest on-field moments of America's game. They have been there for every doubleheader, triple play and four-bagger. Every change-up, checked-swing and chin music. Every rally, momentum change and magical ending. Every home stand, road trip and opportunity for glory. There is only one official on-field cap of Major League Baseball. There is only one cap the pros wear.