The Arizona Diamondbacks are one of many teams to express interest in free agent reliever Seung-Hwan Oh, league sources tell FanRag Sports. There is an industry expectation that a significant run on relievers is expected to occur at the Winter Meetings, and it’s possible that Oh is part of that run, although it’s unclear how imminent a signing is. After a strong 2016 season where Oh put up a 1.92 ERA, a 2.13 FIP and a 103-to-18 strikeout-to-walk ratio, his numbers regressed in 2017 – a 4.10 ERA and a 54-to-15 strikeout-to-walk ratio. In his two years in St. Louis, Oh pitched in plenty of high-leverage spots, with his role comparing to one of a closer. Oh’s fit for the Diamondbacks is clear. Outside of Fernando Rodney and Archie Bradley,