Kline played 77 games, mostly at shortstop, for the Washington Senators in 1955. After spending eight seasons in the minors, mainly in the New York Yankees organization, Kline finally broke into the big leagues at the age of 26. He saw plenty of action for Washington and had 31 hits in 140 at bats for a .221 batting average. He scored 12 runs, drove in nine and hit five doubles. He did not hit a MLB home run. Kline returned to the Yankees’ farm system in 1956, where he remained until he retired in 1958.
Kline is one of the 100 oldest living baseball players. He also pitched one inning in the big leagues for the Senators.