| 04/01/2015 |
Signed a 1-year minor league contract with the Saitama Seibu Lions organization. |
| 06/01/2015 |
Wins the NGN EL Pitcher of the Month Award. |
| 11/10/2015 |
Received a 1-year contract worth a total of $50,000 through automatic renewal. |
| 01/01/2016 |
OSA scouting updated ratings (potential): Stuff: 70 (67); Movement: 61 (60); Control: 54 (54). |
| 05/12/2016 |
Injured (flu), day-to-day for 2 days. |
| 10/04/2016 |
Injured (oblique strain), out for 6 days. |
| 01/01/2017 |
OSA scouting updated ratings (potential): Stuff: 68 (68); Movement: 61 (61); Control: 57 (54). |
| 07/13/2017 |
Injured (forearm stiffness), out for 6 days. |
| 01/01/2018 |
OSA scouting updated ratings (potential): Stuff: 68 (68); Movement: 63 (63); Control: 55 (54). |
| 09/11/2018 |
Injured (back tightness), day-to-day for one week. |
| 01/01/2019 |
OSA scouting updated ratings (potential): Stuff: 68 (67); Movement: 62 (61); Control: 54 (54). |
| 01/01/2020 |
OSA scouting updated ratings (potential): Stuff: 68 (67); Movement: 62 (62); Control: 55 (54). |
| 03/31/2020 |
Injured (torn labrum (Shoulder)), out for 9 months. |
| 10/22/2020 |
Wins the 2020 Round 3 with the Saitama Seibu Lions. |
| 11/12/2020 |
Received a 1-year contract worth a total of $50,000 through automatic renewal. |
| 01/01/2021 |
OSA scouting updated ratings (potential): Stuff: 67 (67); Movement: 62 (62); Control: 39 (37). |
| 02/25/2021 |
Released by the Saitama Seibu organization. |
| 01/01/2022 |
OSA scouting updated ratings (potential): Stuff: 67 (67); Movement: 61 (60); Control: 36 (37). |