A star ballball player at Oklahoma State University, Jerry Adair signed with the Baltimore Orioles for a bonus in 1958 and played mostly in the minors the next three seasons. As a rookie in 1961 he hit a solid .261, with 31 extra base hits in 133 games.
An outstanding second baseman, Adair's fielding played a major role in the success of the Orioles pitching staff by limiting the opposing players ground balls from going through the infield.
In 1964, Jerry Adair set major league records for the highest fielding percentage ever, .994, and fewest errors ever, with five, for a second baseman. Traded to the White Sox in early 1966 he played in the major leagues until early 1970. Batted .300 in one season in Japan for the Hankyu Braves. Coach with the Oakland A’s from 1972-1974, and for the Angels in 1975.