| 12/11/1903 |
Signed a 1-year minor league contract with the Vega Alta Martilleros organization. |
| 01/01/1904 |
OSA scouting updated ratings (potential): Stuff: 16 (39); Movement: 40 (82); Control: 18 (67). |
| 01/01/1904 |
OSA scouting updated ratings (potential): Stuff: 16 (39); Movement: 40 (82); Control: 18 (67). |
| 01/01/1905 |
OSA scouting updated ratings (potential): Stuff: 18 (39); Movement: 40 (81); Control: 19 (67). |
| 01/01/1905 |
OSA scouting updated ratings (potential): Stuff: 18 (39); Movement: 40 (81); Control: 19 (67). |
| 02/21/1905 |
Successfully completed training to improve his pitch control at the Vega Alta Martilleros development complex. |
| 05/13/1905 |
Pitches a 5-hit shutout against the Toa Alta Sonetistas with 1 strikeouts and 3 BB allowed! |
| 01/01/1906 |
OSA scouting updated ratings (potential): Stuff: 25 (41); Movement: 45 (78); Control: 34 (67). |
| 01/01/1906 |
OSA scouting updated ratings (potential): Stuff: 25 (41); Movement: 45 (78); Control: 34 (67). |
| 02/20/1906 |
Unsuccessfully completed training to make one of his poorer pitches more usable at the Vega Alta Martilleros development complex. |
| 07/05/1906 |
Pitches a 1-hit shutout against the San Juan Ciudadanos with 7 strikeouts and 2 BB allowed! |
| 01/01/1907 |
OSA scouting updated ratings (potential): Stuff: 19 (36); Movement: 34 (60); Control: 35 (55). |
| 02/19/1907 |
Outstandingly completed training to make one of his poorer pitches more usable at the Vega Alta Martilleros development complex. |
| 06/24/1907 |
Pitches a 3-hit shutout against the Guaynabo Cazadores with 10 strikeouts and 1 BB allowed! |
| 08/11/1907 |
Injured (mild abdominal strain),day-to-day for 5 days. |
| 08/15/1907 |
Pitches a 6-hit shutout against the Dorado Defensores with 6 strikeouts and 0 BB allowed! |
| 09/12/1907 |
Pitches a 6-hit shutout against the Dorado Defensores with 9 strikeouts and 4 BB allowed! |
| 01/01/1908 |
OSA scouting updated ratings (potential): Stuff: 27 (37); Movement: 40 (62); Control: 39 (55). |
| 02/25/1908 |
Unsuccessfully completed training to improve his pitch control at the Vega Alta Martilleros development complex. |
| 04/06/1908 |
Named the #99 prospect in the LNP |
| 04/06/1908 |
Unsuccessfully completed training to improve his infield defense at the Vega Alta Martilleros development complex. |
| 07/10/1908 |
Named the #90 prospect in the LNP |
| 07/10/1908 |
Pitches a 7-hit shutout against the Bayamon Herradones with 7 strikeouts and 2 BB allowed! |
| 07/18/1908 |
Collects his 500th career Liga Veraniega de Principiantes strikeout! |
| 08/09/1908 |
Pitches a 6-hit shutout against the Bayamon Herradones with 14 strikeouts and 0 BB allowed! |
| 09/14/1908 |
Pitches a 4-hit shutout against the Florida Estribaciones with 6 strikeouts and 0 BB allowed! |
| 11/26/1908 |
Named the #78 prospect in the LNP |