The Chiba Lotte Marines announced today that Yamaico Navarro temporarily returned to the Dominican Republic to be with his expecting fiance. He is scheduled to return on August 13.
Source: Daily Sports 8/5/2016
[UPDATE 8/13 @ 10:39pm]
Navarro returned to Japan on August 13. He is expected to join the Ichi-gun team on August 14 and resume practices. His schedule will be set once Lotte has had a chance to confirm his condition (left shoulder).
[UPDATE 8/14 @ 8:30pm]
Navarro did not appear to have any difficulty taking batting or fielding practice today. The Marines are planning to ease him back. He will be with the team during their road trip to Sendai that begins on August 16.