Maekawa, 30, is a left-hander who has mostly pitched as a starter in Japan. According to japanesebaseball.com, he went 31-45 over 149 career appearances for the Kintetsu Buffaloes, Hanshin Tigers and Orix Blue Wave. He has a 5.26 lifetime ERA in the Japanese major leagues, with 417 strikeouts and 345 walks in 609 innings.
Maekawa last pitched for Orix in 2006, going 1-7 with a 4.37 ERA in a season split between starting and relief.
He agreed to a deal with the Washington Nationals before the 2008 season, but it fell through when his work visa was denied. According to multiple reports, Maekawa's visa troubles stemmed from a hit-and-run incident in Japan in 2007.
Matthew Leach is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.