WEEI has it:
The Red Sox announced Tuesday that they have signed 37-year-old, righty pitcher Shunsuke Watanbe to a minor league contract.
The submarine-style hurler has spent his entire 13-year career with the Chiba Lotte Marines in Japan’s Nippon Professional Baseball League. He has compiled a record of 87-82 with a career ERA of 3.65, performing primarily as a starter.