| 01/01/1907 |
OSA scouting updated ratings (potential): Contact: 8 (58); Power: 1 (15); Eye: 7 (54). |
| 01/19/1907 |
Signed a 1-year minor league contract with the Guayanilla Electricos organization. |
| 04/01/1907 |
Successfully completed training to learn a new position at the Guayanilla Electricos development complex. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Contact: 10 (57); Power: 1 (17); Eye: 7 (54). |
| 02/25/1908 |
Unsuccessfully completed training to improve his two-strike approach at the Guayanilla Electricos development complex. |
| 04/06/1908 |
Unsuccessfully completed training to work on his bunting at the Guayanilla Electricos development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Contact: 13 (52); Power: 8 (19); Eye: 13 (49). |
| 02/23/1909 |
Unsuccessfully completed training to generate gap power at the Guayanilla Electricos development complex. |
| 04/05/1909 |
Unsuccessfully completed training to work on his bunting at the Guayanilla Electricos development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Contact: 10 (50); Power: 11 (23); Eye: 9 (47). |
| 02/22/1910 |
Successfully completed training to generate gap power at the Guayanilla Electricos development complex. |
| 04/04/1910 |
Successfully completed training to improve his base-stealing technique at the Guayanilla Electricos development complex. |
| 07/16/1910 |
Injured on 07/15/1910, diagnosed with a bruised wrist, is day-to-day. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Contact: 17 (51); Power: 16 (23); Eye: 14 (47). |
| 04/03/1911 |
Successfully completed training to improve his base-stealing technique at the Guayanilla Electricos development complex. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Contact: 28 (76); Power: 8 (8); Eye: 17 (43). |
| 02/29/1912 |
Successfully completed training to improve his two-strike approach at the Guayanilla Electricos development complex. |
| 09/06/1912 |
Injured (calf cramp),day-to-day for 2 days. |
| 01/01/1913 |
OSA scouting updated ratings (potential): Contact: 44 (76); Power: 8 (8); Eye: 24 (43). |
| 01/01/1914 |
OSA scouting updated ratings (potential): Contact: 56 (77); Power: 8 (8); Eye: 25 (43). |