| 05/30/2015 |
Injured (back spasms), day-to-day for 4 days. |
| 07/16/2015 |
Was selected to the 2015 Nippon Professional Baseball League All-Star Game. |
| 10/31/2015 |
Wins the 2015 NPB JPL Platinum Stick Award at 1B. |
| 11/01/2015 |
Finished 2nd in 2015 NPB JPL Newcomer of the Year Award voting. |
| 11/10/2015 |
Received a 1-year contract worth a total of $590,000 through automatic renewal. |
| 01/01/2016 |
OSA scouting updated ratings (potential): Contact: 43 (45); Power: 33 (32); Eye: 58 (57). |
| 06/19/2016 |
Injured (intercostal strain), out for 2 days. |
| 11/18/2016 |
Received a 1-year contract worth a total of $590,000 through automatic renewal. |
| 01/01/2017 |
OSA scouting updated ratings (potential): Contact: 41 (43); Power: 33 (32); Eye: 57 (58). |
| 08/07/2017 |
Wins the NGN EL Player of the Week Award. |
| 10/02/2017 |
Wins the NGN EL Player of the Week Award. |
| 11/16/2017 |
Released by the Saitama Seibu organization. |
| 01/01/2018 |
OSA scouting updated ratings (potential): Contact: 39 (42); Power: 32 (32); Eye: 52 (58). |
| 03/04/2018 |
Signed a minor league contract with the Chiba Lotte Marines organization. |
| 04/29/2018 |
Was granted free agency by the Chiba Lotte organization. |