The 6 ft 1 in (1.85 m), 175 lb (79 kg) left-hander played for the Philadelphia Phillies in 1955, Boston Red Sox in 1957, Washington Senators in 1958, Los Angeles Angels in 1961 to 1964, Chicago Cubs in 1964, St. Louis Cardinals in 1964, and Cleveland Indians in 1965.
Spring attended both Gonzaga University in 1951 and Washington State University in 1952.
At these schools, he played college baseball for the Bulldogs and Cougars, respectively.
Spring pitched in a total of six major league games for three clubs before being acquired by the expansion Los Angeles Angels in 1961.
He started four games for L.A. and won three of them in September, then pitched exclusively in relief beginning in 1962.
That season, his 57 appearances ranked third in the American League. He, along with Art Fowler, Tom Morgan, and later Julio Navarro, were the Angels’ most reliable pitchers out of the bullpen during their second and third seasons. Spring’s combined record for 1962 and 1963 was 7-2 with 8 saves and a 3.66 ERA in 102 games.
He was traded by the Angels on May 15, 1964 and pitched for three more clubs before making his last major league appearance on August 31, 1965.