| 11/20/2011 |
Entered the Professional Baseball Circuit as a free agent from Japan. |
| 12/05/2011 |
Signed a minor league contract ($100,000 bonus) with the Philadelphia Keystones organization. |
| 01/01/2012 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 6 (6). |
| 01/01/2012 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 6 (6). |
| 08/27/2012 |
Injured (ruptured ulnar collateral ligament),out for 9 months. |
| 11/20/2012 |
Received a 1-year contract through automatic renewal worth a total of $100,000. |
| 01/01/2013 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 6 (6). |
| 01/01/2013 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 6 (6). |
| 11/20/2013 |
Received a 1-year contract through automatic renewal worth a total of $100,000. |
| 01/01/2014 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 6 (6). |
| 01/01/2014 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 6 (6). |
| 06/05/2014 |
Injured (torn back muscle),out for 4 months. |
| 11/20/2014 |
Received a 1-year contract through automatic renewal worth a total of $100,000. |
| 01/01/2015 |
OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 5 (5); Control: 5 (5). |
| 07/22/2015 |
Released by the Philadelphia organization. |