Spindel threw and batted right-handed, stood 6 feet (1.8 m) tall and weighed 185 pounds (84 kg). His professional baseball career began in 1934 in the Pacific Coast League. After five years with Seattle, he spent the entire 1939 campaign with the Browns of the American League as the club's third-string catcher, playing in 48 games and starting 26. Three more full years in the minor leagues followed, then he missed the 1943 season. In 1945, he appeared in 36 games for the Phillies, starting 25, third-most on the team. He got into one more MLB contest for Philadelphia, on June 9, 1946, and played in the minors through 1947.