| 01/01/1907 |
Joined the Magdeburg Halbkugeln. |
| 01/22/1907 |
Successfully completed training to improve his infield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Contact: 43 (43); Power: 25 (25); Eye: 39 (39). |
| 05/01/1908 |
Successfully completed training to improve his running mechanics at the Magdeburg Halbkugeln development complex. |
| 11/15/1908 |
Successfully completed training to improve his base-stealing technique at the Magdeburg Halbkugeln development complex. |
| 12/05/1908 |
Unsuccessfully completed training to improve his infield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Contact: 43 (43); Power: 28 (28); Eye: 40 (40). |
| 10/14/1909 |
Successfully completed training to improve his base-stealing technique at the Magdeburg Halbkugeln development complex. |
| 11/03/1909 |
Unsuccessfully completed training to improve his infield defense at the Magdeburg Halbkugeln development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Contact: 40 (42); Power: 31 (32); Eye: 38 (38). |
| 01/01/1911 |
OSA scouting updated ratings (potential): Contact: 39 (46); Power: 31 (36); Eye: 39 (43). |
| 04/01/1911 |
Outstandingly completed training to improve his running mechanics at the Magdeburg Halbkugeln development complex. |
| 07/26/1911 |
Injured on 07/25/1911, diagnosed with a bruised finger, is day-to-day. |
| 10/17/1911 |
Unsuccessfully completed training to improve his infield defense at the Magdeburg Halbkugeln development complex. |
| 11/06/1911 |
Outstandingly completed training to improve his baserunning fundamentals at the Magdeburg Halbkugeln development complex. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Contact: 55 (64); Power: 8 (13); Eye: 37 (42). |
| 01/01/1913 |
OSA scouting updated ratings (potential): Contact: 56 (62); Power: 8 (10); Eye: 37 (42). |
| 04/01/1913 |
Successfully completed training to improve his running mechanics at the Magdeburg Halbkugeln development complex. |
| 10/18/1913 |
Unsuccessfully completed training to improve his infield defense at the Magdeburg Halbkugeln development complex. |
| 11/07/1913 |
Successfully completed training to improve his baserunning fundamentals at the Magdeburg Halbkugeln development complex. |