Claude Osteen, also known as "Gomer" due to his resemblance to a television character, was a prominent left-handed pitcher in Major League Baseball (MLB). He was born on August 9, 1939, in Caney Spring, Tennessee. Osteen's professional baseball career spanned nearly two decades, during which he played for several teams, including the Cincinnati Reds, Washington Senators, Los Angeles Dodgers, Houston Astros, and St. Louis Cardinals.

Osteen began his MLB career with the Cincinnati Reds in 1957. However, he didn't get his first real opportunity to shine until he was traded to the Washington Senators in 1961. During his time with the Senators, Osteen began to establish himself as a reliable starting pitcher.

In 1965, Osteen was traded to the Los Angeles Dodgers, where he enjoyed the most successful period of his career. He was a key player in the Dodgers' rotation, alongside other notable pitchers like Sandy Koufax and Don Drysdale. Osteen was a three-time All-Star during his time with the Dodgers, earning selections in 1967, 1970, and 1973. He also played a crucial role in the Dodgers' 1965 World Series victory over the Minnesota Twins, pitching a complete game shutout in Game 3 to help the Dodgers come back from a 2-0 series deficit.

Osteen was known for his durability and consistency on the mound. He had a reputation for being a workhorse, regularly pitching over 200 innings per season. He also had excellent control, often ranking among the league leaders in fewest walks allowed per nine innings.

In 1974, Osteen was traded to the Houston Astros, where he spent a season before moving on to the St. Louis Cardinals in 1975. After his playing career ended, Osteen transitioned into coaching. He served as a pitching coach for several teams, including the Philadelphia Phillies, St. Louis Cardinals, and Los Angeles Dodgers.

Over his 18-year career, Osteen compiled a record of 196 wins and 195 losses with a 3.30 earned run average (ERA). He pitched 40 shutouts and completed 196 games in his 488 starts. He also recorded over 1,400 strikeouts. Despite his impressive career, Osteen is often overlooked due to playing in the same era as several legendary pitchers. Nonetheless, his contributions to the teams he played for and his consistent performance on the mound make him a significant figure in the history of Major League Baseball.