He attended Shawnee High School in Lima, Ohio, where he played basketball and baseball and was an all-state linebacker in football.

[2] Hank Aaron described him as a "can't miss" prospect and compared him to future Hall of Famer Andre Dawson.

[4] His Hall of Fame teammate and roommate Tom Glavine wrote that the pressure of high expectations may have hindered Komminsk to some extent.

[4] In 2015, Sporting News characterized Atlanta's selection of Komminsk over Andy Van Slyke as one of the five worst draft decisions in franchise history.

[2][8] Since the end of his playing days, Komminsk has been a minor league coach and manager with several teams, including the Kinston Indians.