| 02/20/1901 |
Signed a 1-year minor league contract with the Catano Guardacostas organization. |
| 04/01/1901 |
Named the #16 prospect in the LNP |
| 05/31/1901 |
Injured on 05/29/1901, diagnosed with a stiff back, will not miss additional time. |
| 12/04/1901 |
Released by the Catano Guardacostas. |
| 01/01/1902 |
OSA scouting updated ratings (potential): Contact: 41 (51); Power: 53 (85); Eye: 32 (32). |
| 01/05/1902 |
Signed a 1-year contract worth a total of P850 with the Naguabo Navegadores organization. |
| 05/30/1902 |
Signed a 9-year contract extension worth a total of P14,450 with the Naguabo Navegadores organization. |
| 01/01/1903 |
OSA scouting updated ratings (potential): Contact: 48 (59); Power: 59 (83); Eye: 39 (51). |
| 01/01/1904 |
OSA scouting updated ratings (potential): Contact: 53 (63); Power: 59 (81); Eye: 42 (61). |
| 02/25/1904 |
Unsuccessfully completed training to generate more batspeed and homerun power at the Naguabo Navegadores development complex. |
| 12/01/1904 |
Wins the 1904 Campeonato Nacional Puertorriqueño with the Naguabo Navegadores. |
| 01/01/1905 |
OSA scouting updated ratings (potential): Contact: 61 (61); Power: 90 (90); Eye: 61 (61). |
| 03/14/1905 |
Outstandingly completed training to improve his quality of contact at the Naguabo Navegadores development complex. |
| 08/12/1905 |
Goes 5-8 against the Ciales Galanes, with 1 2B, 1 HR, 6 RBI and 1 R. |
| 09/26/1905 |
Injured (back stiffness),day-to-day for one week. |
| 10/02/1905 |
Suffered setback in recovery from injury, will miss another one week. |
| 11/27/1905 |
Wins the 1905 Campeonato Nacional Puertorriqueño with the Naguabo Navegadores. |
| 01/01/1906 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 95 (95); Eye: 46 (48). |
| 02/20/1906 |
Unsuccessfully completed training to improve his quality of contact at the Naguabo Navegadores development complex. |
| 05/26/1906 |
Injured (shin splints),day-to-day for 3 days. |
| 12/18/1906 |
Named to the 1906 Copa Mundial for the Oceania Neptunes. |
| 01/01/1907 |
OSA scouting updated ratings (potential): Contact: 43 (43); Power: 100 (100); Eye: 51 (51). |
| 02/19/1907 |
Successfully completed training to improve his two-strike approach at the Naguabo Navegadores development complex. |
| 07/08/1907 |
Was selected to the 1907 Liga Nacional Puertorriquena All-Star Game. |