Len Kasper Biography Len Kasper is an American Veteran Sportscaster serving for the Chicago White Sox as an MLB radio play-by-play announcer. Prior to joining the White Sox, he was serving as a play-by-play announcer for the Chicago Cubs. Len Kasper Age Len Kasper was born in Mt. Pleasant, Michigan, in the United States on January 21, … Continue reading Len Kasper Bio, Age, Height, Wife, Salary, Net Worth, Chicago White Sox