| 12/03/1905 |
Signed a 1-year minor league contract with the Guatire Heroes organization. |
| 12/24/1905 |
Unsuccessfully completed training to learn a new position at the Guatire Heroes development complex. |
| 01/01/1906 |
OSA scouting updated ratings (potential): Contact: 37 (78); Power: 30 (36); Eye: 28 (42). |
| 12/22/1906 |
Detrimentally completed training to learn a new position at the Guatire Heroes development complex. |
| 01/01/1907 |
OSA scouting updated ratings (potential): Contact: 38 (61); Power: 15 (23); Eye: 31 (43). |
| 01/11/1907 |
Unsuccessfully completed training to improve his defense at catcher at the Guatire Heroes development complex. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Contact: 40 (58); Power: 18 (25); Eye: 38 (41). |
| 06/01/1908 |
Successfully completed training to improve his strength and conditioning at the Guatire Heroes development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Contact: 45 (57); Power: 22 (26); Eye: 35 (41). |
| 01/21/1909 |
Successfully completed training to learn a new position at the Guatire Heroes development complex. |
| 02/10/1909 |
Unsuccessfully completed training to improve his defense at catcher at the Guatire Heroes development complex. |
| 11/20/1909 |
Unsuccessfully completed training to improve his defense at catcher at the Guatire Heroes development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Contact: 40 (48); Power: 24 (25); Eye: 31 (34). |
| 11/20/1910 |
Unsuccessfully completed training to learn a new position at the Guatire Heroes development complex. |
| 12/10/1910 |
Unsuccessfully completed training to improve his defense at catcher at the Guatire Heroes development complex. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Contact: 39 (45); Power: 23 (23); Eye: 31 (32). |
| 10/27/1911 |
Unsuccessfully completed training to learn a new position at the Guatire Heroes development complex. |
| 11/16/1911 |
Unsuccessfully completed training to improve his defense at catcher at the Guatire Heroes development complex. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Contact: 53 (61); Power: 1 (2); Eye: 27 (28). |
| 10/30/1912 |
Unsuccessfully completed training to improve his defense at catcher at the Guatire Heroes development complex. |
| 12/09/1912 |
Successfully completed training to learn a new position at the Guatire Heroes development complex. |
| 01/01/1913 |
OSA scouting updated ratings (potential): Contact: 48 (54); Power: 1 (1); Eye: 26 (26). |