According Sanspo, Senichi Hoshino apparently reached out to Akinori Iwamura and said that he wanted to play baseball with him.
On Sunday, Iwamura informed about 500 locals of his decision during a festival in Uwajima, Ehime. While speaking on a stage, Iwamura said, "Just the other day, I came to terms on an agreement. And the club [I'll be joining] is the Rakuten Eagles located in Sendai. I felt a good vibe with Rakuten."
And according to Sports Hochi, the team is preparing a multi-year deal (possibly 2-year deal worth a total 400M yen) and will present Iwamura with the number 1.