Keller made his MLB debut in 1949 with the Washington Senators, where he played for three seasons before being traded to the Boston Red Sox in 1952. He played for the Red Sox for two seasons before being traded to the Baltimore Orioles in 1954. Keller played for the Orioles for three seasons before being traded to the Kansas City Athletics in 1957.
Keller's best season came in 1956 when he hit .299 with 17 home runs and 69 runs batted in (RBIs) for the Orioles. He was also known for his defensive skills as a catcher and outfielder, and he was a valuable asset to his teams.
After his playing career ended, Keller became a coach and manager in the minor leagues. He managed several teams, including the York White Roses, the Elmira Pioneers, and the Columbus Clippers. He also served as a coach for the Cleveland Indians and the New York Yankees.
Keller was known for his dedication to the game of baseball and his ability to teach young players. He was respected by his peers and players alike, and he was a beloved figure in the baseball community.
Keller passed away on May 5, 2012, at the age of 84. He left behind a legacy as a talented player and a dedicated coach and manager who helped shape the careers of many young players.
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