Stewart, who had been pitching with the NC Dinos, went 20-10 with a 3.73 ERA in the KBO, a league he joined in June 2015. Prior to that, the 30-year-old was signed to a Minor League deal by the Angels, who released Stewart so he could play in Korea.
Stewart made his Major League debut for the Blue Jays in 2011. The former third-round Draft pick ('08) of the Reds, Stewart is a career 3-10 with a 6.82 ERA in the big leagues. He also spent time in the Red Sox, White Sox, Pirates and Braves organizations.
Brittany Ghiroli has covered the Orioles for MLB.com since 2010. Read her blog, Britt's Bird Watch, follow her on Facebook and Twitter @britt_ghiroli, and listen to her podcast. This story was not subject to the approval of Major League Baseball or its clubs.