| 01/01/1907 |
Joined the Magdeburg Halbkugeln. |
| 01/22/1907 |
Outstandingly completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 02/11/1907 |
Outstandingly completed training to learn a new position at the Magdeburg Halbkugeln development complex. |
| 12/07/1907 |
Unsuccessfully completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Contact: 32 (32); Power: 22 (22); Eye: 35 (36). |
| 12/05/1908 |
Unsuccessfully completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Contact: 33 (33); Power: 25 (25); Eye: 35 (36). |
| 11/03/1909 |
Outstandingly completed training to learn a new position at the Magdeburg Halbkugeln development complex. |
| 11/23/1909 |
Unsuccessfully completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Contact: 29 (29); Power: 26 (26); Eye: 32 (32). |
| 11/06/1910 |
Unsuccessfully completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Contact: 30 (30); Power: 29 (31); Eye: 37 (37). |
| 11/06/1911 |
Successfully completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 8 (9); Eye: 35 (35). |
| 10/18/1912 |
Unsuccessfully completed training to improve his outfield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1913 |
OSA scouting updated ratings (potential): Contact: 35 (36); Power: 9 (9); Eye: 34 (34). |