Keith Hernandez is an American former professional baseball first baseman. He played in Major League Baseball (MLB) for 17 seasons, most notably for the St. Louis Cardinals and New York Mets. Hernandez was a five-time All-Star who shared the 1979 NL MVP award and won two World Series titles, one each with the Cardinals and Mets. Since 1998, he has been a color commentator on Mets television broadcasts.