[2] Kain was a pitcher in the minor leagues in 1927, 1929–1937, 1939, and 1941–1943, spending most of his career in the New York Yankees farm system.

[3] He then was a manager in the minor leagues for the Butler Yankees (1939-1941), Amsterdam Rugmakers (1942) and Norfolk Tars (1943, 1946).

[2] Kain was a scout for the Yankees from 1947 to 1948, the Pittsburgh Pirates from 1949 to 1951, the Philadelphia Phillies from 1956 to 1959, and the Chicago Cubs from 1960 to 1968.

[2] During the baseball offseason, Kain was a college football referee in the Southeastern Conference (SEC), a job he held for 28 years (1935–1963).

[4] He was considered the top referee at the time, being selected to officiate 14 consecutive Senior Bowls.