Star Japanese pitcher Roki Sasaki is expected to be officially posted at Major League Baseball's winter meetings next week, U.S. media reported Saturday.A 45-day window is expected to open Tuesday for the 23-year-old right-hander, ESPN said, quoting sources. The winter meetings begin Monday in Dallas.Since Sasaki is under 25, he is defined as an international amateur by MLB and its union. As such, he will be limited to a minor league contract.The international amateur signing period opens Jan. 15.In early November, the Lotte Marines announced plans to place Sasaki in the posting system, the…READ FULL ARTICLE