Glynn threw and batted left-handed, stood 6 feet (1.8 m) tall and weighed 190 pounds (86 kg).

Born in Sussex, New Jersey, Glynn attended Franklin High School, where he played baseball, basketball, and football.

Glynn played for the Utica Blue Sox in 1947, a team that won the Governor's Cup as Eastern League champions.

Traded to the Sacramento Solons of the Pacific Coast League after the 1951 campaign, he was acquired by the Indians in July of the following season.

Glynn appeared in Games 1 and 3, striking out against Marv Grissom in the tenth inning of the former, and doubling off Rubén Gómez in the latter.