Complex sentence: For part of the season, he switched from the bullpen in an emergency move and had a 9--4 record with 81 strikeouts and 3.39 ERA record before returning to relief duties in the 1983 season.
Split into simpler sentences: For part of the season, he switched from the bullpen in an emergency move, and proved effective as a starter. Down the stretch he had a 9--4,81 strikeouts, 3.39 ERA record, returning to relief duties in the 1983 season.