 He had a 1–2 record and one save in 40 appearances, with a 4.45 ERA in 62.7 innings.Baldwin's final major league appearance came on October 2, 1977, when he faced two batters in the ninth inning, earning a save in a 6–4 Met win over the St. Louis Cardinals at Busch Memorial Stadium.Baldwin was selected by the Seattle Mariners in the Rule 5 draft on December 5, 1977.