Roki Sasaki, 22-year-old Japanese ace, requests to be posted to MLB as amateur free agent, per report | CBS Sports Headlines Roki Sasaki, 22-year-old Japanese ace, requests to be posted to MLB as amateur free agent, per report It’s unclear if Sasaki’s NPB team, the Chiba Lotte Marines, will oblige … Continue reading Roki Sasaki, 22-year-old Japanese ace, requests to be posted to MLB as amateur free agent, per report