The New York Yankees have signed left-handed reliever Hideki Okajima to a minor league contract, general manager Brian Cashman told ESPNNewYork.com on Wednesday morning. The terms were not disclosed but Okajima will be in spring training as a non-roster invite. Read more: http://espn.go.com/new-york/mlb/sto...-ex-boston-red-sox-left-hander-hideki-okajima