John Henry Kubiszyn (born December 19, 1936) is an American former professional baseball player.
A shortstop, he appeared in the Major League for parts of two seasons for the Cleveland Indians (1961–1962), playing in 25 games both seasons.
The Buffalo, New York, native threw and batted right-handed, stood 5 feet 11 inches (1.80 m) tall and weighed 170 pounds (77 kg).
Kubiszyn was a two-sport star at the University of Alabama in the 1950s.
A three-year basketball guard from 1956–1958, he was a member of Johnny Dee's famed "Rocket 8" teams.
During his junior season in 1957, Kubiszyn averaged 24.6 points per game, a school record that still stands today.
In 1958, he was named All-American.
Kubiszyn's three-year Crimson Tide baseball career at shortstop spanned the 1956–1958 seasons.
Playing for coach Tilden Campbell, he finished with a .300 batting average.His professional baseball career extended from 1958–1964.
During his two trials with the Indians, he collected 19 hits, with two doubles, in 101 at bats.
Highlights included a three-hit game in four at bats against the Minnesota Twins' Camilo Pascual on September 17, 1961, and his only Major-League home run, hit off Bill Fischer of the Kansas City Athletics on August 3, 1962 — the winning blow in a 1–0 Cleveland victory.Jack Kubiszyn settled in Tuscaloosa, Alabama, after leaving baseball, where he founded an insurance agency and served on the city council during the 1990s.