Roy McMillan was a professional baseball player who played as a shortstop and third baseman for various teams in the Major League Baseball (MLB) during his career. He was born on July 17, 1929, in Bonham, Texas, and started his baseball career in the minor leagues in 1948.

McMillan made his MLB debut in 1951 with the Cincinnati Reds, where he played for ten seasons. He was known for his exceptional defensive skills and was considered one of the best shortstops of his time. He won the Gold Glove Award in 1957, 1958, and 1959, and was also named to the National League All-Star team in 1956 and 1957.

In 1961, McMillan was traded to the Milwaukee Braves, where he played for three seasons. He helped the Braves win the National League pennant in 1961 and was named the team's Most Valuable Player in 1962. He was also named to the National League All-Star team in 1962.

McMillan played for the New York Mets in 1965 and 1966, where he served as a player-coach. He then played for the Milwaukee Brewers in 1967 and 1968 before retiring from baseball in 1969.

During his career, McMillan played in 2,082 games, had 1,759 hits, and a batting average of .243. He was known for his exceptional defensive skills, having a career fielding percentage of .980. He was also known for his leadership skills and was respected by his teammates and opponents alike.

After retiring from baseball, McMillan worked as a coach for various teams, including the Mets, Brewers, and Atlanta Braves. He was inducted into the Cincinnati Reds Hall of Fame in 1967 and the Texas Baseball Hall of Fame in 1988.

McMillan passed away on November 2, 1997, at the age of 68. He was remembered as a great player and coach who made significant contributions to the game of baseball.