The Nationals have signed right-hander Sean O’Sullivan to a minor league contract, according to a team announcement.
The 29-year-old O’Sullivan is returning from Korea, where he opened the season with the Nexen Heroes of the hitter-friendly KBO and allowed 14 earned runs on 17 hits in just eight innings. O’Sullivan hasn’t been anywhere near that woeful stateside, though his numbers in the majors and at Triple-A still aren’t great. He most recently appeared in the big leagues last season with the Red Sox, logging five appearances and four starts. O’Sullivan pitched to a 6.