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CLENDEN, Marv. (Dubuque, IA-- ). Considered one of the best junior boxers in Iowa, Clendenen began BOXING at the age of eight. In 1974 he won the 65-pound Junior Olympic title. In 1979 when he was fifteen, Clenden lost to future Olympic champion Mark Breland in the finals of the Junior Olympics National Tournament.
Lagerstrom, Hal, "YMCA Boxing Team Brings Sport Back," Telegraph-Herald, June 16, 1974, p. 14