| 02/12/1909 |
Joined the Sabae Megane-ten. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Stuff: 19 (19); Movement: 53 (53); Control: 24 (24). |
| 02/24/1910 |
Successfully completed training to increase his endurance on the mound at the Sabae Megane-ten development complex. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Stuff: 20 (20); Movement: 54 (54); Control: 24 (24). |
| 04/01/1911 |
Successfully completed training to make one of his poorer pitches more usable at the Sabae Megane-ten development complex. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Stuff: 20 (22); Movement: 97 (97); Control: 23 (23). |
| 04/01/1912 |
Unsuccessfully completed training to increase his endurance on the mound at the Sabae Megane-ten development complex. |
| 01/01/1913 |
OSA scouting updated ratings (potential): Stuff: 22 (23); Movement: 98 (98); Control: 23 (23). |
| 04/01/1913 |
Unsuccessfully completed training to increase his velocity at the Sabae Megane-ten development complex. |
| 01/01/1914 |
OSA scouting updated ratings (potential): Stuff: 23 (23); Movement: 97 (97); Control: 23 (23). |
| 04/01/1914 |
Unsuccessfully completed training to make one of his poorer pitches more usable at the Sabae Megane-ten development complex. |