| 05/02/1904 |
Joined the Gurabo Escaleras. |
| 01/01/1905 |
OSA scouting updated ratings (potential): Stuff: 54 (54); Movement: 76 (76); Control: 41 (42). |
| 01/01/1905 |
OSA scouting updated ratings (potential): Stuff: 54 (54); Movement: 76 (76); Control: 41 (42). |
| 02/21/1905 |
Unsuccessfully completed training to increase his endurance on the mound at the Gurabo Tainos development complex. |
| 01/01/1906 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 77 (80); Control: 43 (43). |
| 01/01/1906 |
OSA scouting updated ratings (potential): Stuff: 80 (80); Movement: 77 (80); Control: 43 (43). |
| 09/26/1906 |
Wins the 1906 LVP LJP UtilĂsimo (LVP). |
| 01/01/1907 |
OSA scouting updated ratings (potential): Stuff: 66 (66); Movement: 48 (48); Control: 43 (43). |
| 02/20/1907 |
Unsuccessfully completed training to improve his secondary pitch at the Gurabo Tainos development complex. |
| 04/05/1907 |
Wins the 1906 LVP LJP UtilĂsimo (LVP). |
| 01/01/1908 |
OSA scouting updated ratings (potential): Stuff: 70 (70); Movement: 50 (50); Control: 47 (47). |
| 02/25/1908 |
Outstandingly completed training to increase his velocity at the Gurabo Tainos development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Stuff: 75 (75); Movement: 50 (50); Control: 48 (48). |
| 02/23/1909 |
Outstandingly completed training to increase his velocity at the Gurabo Tainos development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Stuff: 81 (81); Movement: 50 (50); Control: 48 (48). |
| 02/22/1910 |
Successfully completed training to improve his strength and conditioning at the Gurabo Tainos development complex. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Stuff: 79 (79); Movement: 54 (54); Control: 48 (48). |
| 01/01/1912 |
OSA scouting updated ratings (potential): Stuff: 100 (100); Movement: 89 (89); Control: 48 (48). |
| 01/01/1913 |
OSA scouting updated ratings (potential): Stuff: 100 (100); Movement: 81 (81); Control: 48 (48). |
| 02/25/1913 |
Unsuccessfully completed training to improve his secondary pitch at the Gurabo Tainos development complex. |