 Melville began his professional career with the Burlington Bees of the Class A Midwest League in 2009, pitching to a 7–7 win–loss record and a 3.79 ERA.He was promoted to the Wilmington Blue Rocks of the Class A-Advanced Carolina League in 2010, where he struggled, pitching to a 2–12 win–loss record and a 4.97 ERA.He returned to Wilmington in 2011, and compiled an 11–10 record with a 4.32 ERA.