Stephenson, who was already on the Reds' 40-man roster. Melville was assigned to the Louisville Bats of the International League. On April 8, the Reds announced Melville would start in the series finale against the Pittsburgh Pirates, in place of Anthony DeSclafani, on April 10. The start marked Melville's MLB debut. He threw 4 innings giving up 1 run in a no-decision vs. Pittsburgh. The Reds designated Melville for assignment on April 22. Long Island Ducks On April 6, 2017, Melville signed with the Long Island Ducks of the Atlantic League of Professional Baseball. Minnesota Twins On June 12, 2017, the Minnesota Twins signed him to a minor league contract, assigning him to the Rochester Red Wings (AAA). After allowing 5 runs (4 earned) to the Chicago White Sox, Melville was designated for assignment by the Twins to make room for John Curtiss on the roster. San Diego Padres Melville was claimed off waivers by the San Diego Padres on August 26, 2017. Baltimore Orioles He elected free agency on November 6, 2017, and signed a minor league contract with the Baltimore Orioles on December 22. He elected free agency on November 3, 2018. Return to Long Island On February 5, 2019, Melville signed with the Long Island Ducks of the Atlantic League of Professional Baseball. Colorado Rockies On May 3, 2019, Melville's contract was purchased by the Colorado Rockies, and he was assigned to the Triple-A Albuquerque Isotopes. On August 21, the Rockies selected Melville's contract and promoted him to the major leagues as an emergency starter. In his Rockies debut against the Arizona Diamondbacks, Melville pitched 7 innings and allowed only 1 run on 2 hits as the Rockies won 7-2, giving Melville his first major league win. 5 days later, Melville made his debut at Coors Field and had another impressive performance against the Atlanta Braves, pitching 5 shutout innings and striking out 6 as the Rockies went on to defeat the Braves 3-1. Melville's ERA of 0.75 is the 3rd lowest ERA posted by a Rockies pitcher through his first two starts with the club. On October 30, 2019, Melville was outrighted off the Rockies roster. Melville re-signed with the Rockies on a minor league deal on February 5, 2020. He was released by the Rockies organization on May 18, 2020. Uni-President Lions On July 12, 2020, Melville signed with the Uni-President Lions of the Chinese