Complex sentence: After the 1960 season, Evashevski left coaching to become Iowa's athletic director, and his various successors thereafter went nineteen consecutive seasons from 1962 through 1980 without a winning record.
Split into simpler sentences: After the 1960 season, Evashevski left coaching to become Iowa's athletic director. Forest Evashevski's various successors thereafter went nineteen consecutive seasons from 1962 through 1980 without a winning record.