Stu Miller pitched in the majors from 1952-1968 with the Cardinals, Phillies, Giants, Orioles, and Braves. He began his major league career in the Cardinals' starting rotation, completing more than half of the games he started, and throwing a couple of Shutouts during each of his first two seasons. Miller pitched for the Cardinals through the start of the '56 season before being traded to the Philadelphia Phillies along with Harvey Haddix.
After the end of the 1956 season, the Phillies traded Miller to the New York Giants for Jim Hearn. During the Giants first year in San Francisco in 1958, Stu Miller led the N.L. with a 2.47 ERA. He made both All-Star teams that were formed in 1961, and then led the league in Saves that year.
In 1962, Miller made it to his first World Series against the New York Yankees, closing the final innings of Games 1 and 5 while maintaining a 0.00 ERA.
In 1963, the Giants traded Stu Miller along with Mike McCormick to the Baltimore Orioles where Miller would lead the league in Games Played, Games Finished, and Saves. Miller posted a career best 1.89 ERA in 1965 and won a World Series ring as a member of the Orioles the following season. Miller posted ERA's of 2.25 and 2.55 during his final two seasons with the Orioles in 1966 and 1967. He played his final season in the majors with the Atlanta Braves in 1968.