Born November 29, 1969, was legendary MLB Pitcher Mariano Rivera. Rivera, affectionately known as "Mo," is a Panamanian-American former professional baseball player who played 19 seasons in Major League Baseball for the New York Yankees. Widely regarded as one of the greatest relievers in baseball history, Rivera is the all-time leader in saves with 652, and he was elected to the Baseball Hall of Fame unanimously in 2019.