Shields began , his first full year in the majors, in the bullpen. He posted a 1.68 ERA, working at least three innings twelve times. He led the American League with 69.2 innings of relief before moving into the Angels' starting rotation to end the season in August. As a starter, Shields was 4-6 with a 3.89 ERA, pitching at least seven innings in six of his thirteen starts. He ended the season with a 5-6 record and a 2.85 ERA.