Ron Kline, a right-handed pitcher, spent nearly two decades in Major League Baseball, showcasing his skills across various teams. Born in Callery, Pennsylvania, Kline began his professional career when he signed with the Pittsburgh Pirates. His debut came in 1952, marking the start of a long journey in the major leagues.

Kline's early years with the Pirates were a learning curve, as he worked to establish himself as a reliable pitcher. His tenure with Pittsburgh was interrupted by military service, which saw him miss the 1953 and 1954 seasons. Upon his return, Kline gradually improved, becoming a mainstay in the Pirates' pitching rotation. By 1956, he had developed into a dependable starter, leading the team in innings pitched and strikeouts.

In 1959, Kline was traded to the St. Louis Cardinals, where he continued to hone his craft. His time with the Cardinals was brief, as he was soon on the move again, this time to the Los Angeles Angels. Kline's adaptability was evident as he transitioned between teams, maintaining his performance on the mound.

The early 1960s saw Kline with the Detroit Tigers and later the Washington Senators. It was with the Senators that he found a niche as a relief pitcher, a role in which he excelled. Kline's ability to close games and secure victories became a valuable asset for the team. His performance in the bullpen earned him recognition, and he led the American League in saves in 1965.

Kline's career continued with stints at the Minnesota Twins and the San Francisco Giants. His experience and skill made him a sought-after player, and he was often called upon to provide stability and leadership to pitching staffs. In 1968, Kline returned to the Pittsburgh Pirates, bringing his career full circle. He played his final seasons with the Boston Red Sox and Atlanta Braves before retiring from professional baseball.

Throughout his career, Kline was known for his durability and consistency. He appeared in over 600 games, recording more than 1,000 strikeouts.