Complex sentence: Clines remained with the Cubs as first base coach under manager Bob Kennedy until 1981, then joined the Houston Astros organization as a roving minor league hitting instructor, a position he held through 1987.
Split into simpler sentences: Clines remained with the Cubs as first base coach under manager Bob Kennedy until 1981. Then joined the Houston Astros organization as a roving minor league hitting instructor, a position he held through 1987.