Yamamoto announced Monday via his personal Twitter account that he has decided to retire from professional baseball.

Yamamoto signed a minor-league contract with the Dodgers on Tuesday.

Yamamoto cleared waivers Monday and was outrighted to Triple-A Syracuse, Anthony DiComo of MLB.com reports.

Yamamoto was designated for assignment by the Mets on Wednesday, Anthony DiComo of MLB.com reports.

Yamamoto (shoulder) was activated off the 60-day injured list Friday and optioned to Triple-A Syracuse, Tim Healey of Newsday reports.

Yamamoto (shoulder) had his rehab assignment transferred to Triple-A Syracuse on Saturday, Anthony DiComo of MLB.com reports.

Yamamoto (shoulder) made his most recent rehab start at Low-A St. Lucie on Thursday, working four innings while striking out five and giving up a run on three hits and no walks.

Yamamoto (shoulder) began a rehab assignment with the rookie-level Florida Complex League affiliate Friday, Anthony DiComo of MLB.com reports.

Yamamoto (shoulder) has been throwing bullpens in Florida and could move towards a rehab assignment soon, Mike Puma of the New York Post reports.

Mets acting general manager Zack Scott said Monday that Yamamoto (shoulder) remains "weeks away" from a return, Tim Healey of Newsday reports.