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1975 – Houston deals catcher Milt May and pitchers Jim Crawford and Dave Roberts to Detroit for outfielder Leon Roberts and pitchers Mark Lemongello and Gene Pentz

On December 6 , 1975 – Houston deals catcher Milt May and pitchers Jim Crawford and Dave Roberts to Detroit for outfielder Leon Roberts and pitchers Mark Lemongello and Gene Pentz. It is primarily a cost-cutting move for the Astros although both May and Roberts are coming off disappointing seasons. Lemongello would author a 21-29 record over the next three seasons while Pentz would compile an 8-5 mark with seven saves in three years.