| 06/01/1901 |
Joined the Habana Leones. |
| 07/08/1901 |
Pitches a 10-hit shutout against the Santa Clara Leopardos with 3 strikeouts and 0 BB allowed! |
| 07/17/1901 |
Pitches a 6-hit shutout against the Cienfuegos Elefantes with 3 strikeouts and 4 BB allowed! |
| 10/01/1901 |
Pitches a 5-hit shutout against the Cienfuegos Elefantes with 4 strikeouts and 1 BB allowed! |
| 10/07/1901 |
Wins the LPBC TOCC Player of the Week Award. |
| 11/08/1901 |
Pitches a 8-hit shutout against the San Antonio de los Banos Comediantes with 3 strikeouts and 1 BB allowed! |
| 11/14/1901 |
Pitches a 6-hit shutout against the Santa Clara Leopardos with 4 strikeouts and 1 BB allowed! |
| 01/01/1902 |
OSA scouting updated ratings (potential): Stuff: 63 (65); Movement: 91 (91); Control: 49 (50). |
| 01/01/1903 |
OSA scouting updated ratings (potential): Stuff: 66 (66); Movement: 91 (91); Control: 50 (50). |
| 07/07/1903 |
Pitches a 7-hit shutout against the Matanzas Henequeneros with 3 strikeouts and 1 BB allowed! |
| 09/19/1903 |
Pitches a 3-hit shutout against the Cienfuegos Elefantes with 0 strikeouts and 1 BB allowed! |
| 10/17/1903 |
Pitches a 3-hit shutout against the San Antonio de los Banos Comediantes with 4 strikeouts and 1 BB allowed! |
| 10/27/1903 |
Pitches a 6-hit shutout against the Cienfuegos Elefantes with 0 strikeouts and 0 BB allowed! |
| 11/15/1903 |
Pitches a 1-hit shutout against the Nueva Gerona Marmoleros with 2 strikeouts and 0 BB allowed! |
| 11/19/1903 |
Wins the 1903 LPBC TOCC Campeonato de las Ligas MVP Award. |
| 11/26/1903 |
Wins the 1903 Campeonato Nacional de Cuba with the Habana Leones. |
| 01/01/1904 |
OSA scouting updated ratings (potential): Stuff: 69 (69); Movement: 73 (73); Control: 47 (47). |
| 01/01/1904 |
OSA scouting updated ratings (potential): Stuff: 69 (69); Movement: 73 (73); Control: 47 (47). |
| 05/10/1904 |
Successfully completed training to improve his secondary pitch at the Habana Leones development complex. |
| 08/21/1904 |
Was selected to the 1904 Liga Profesional de Beisbol de Cuba All-Star Game. |
| 01/01/1905 |
OSA scouting updated ratings (potential): Stuff: 76 (76); Movement: 73 (73); Control: 48 (48). |
| 01/01/1905 |
OSA scouting updated ratings (potential): Stuff: 76 (76); Movement: 73 (73); Control: 48 (48). |
| 01/13/1905 |
Was traded by the Habana Leones to the Santiago de Cuba Soneros in exchange for 2B Nerón González. |
| 12/03/1905 |
Wins the 1905 Campeonato Nacional de Cuba with the Santiago de Cuba Soneros. |
| 12/14/1905 |
Released by the Santiago de Cuba Soneros. |
| 01/01/1906 |
OSA scouting updated ratings (potential): Stuff: 51 (51); Movement: 72 (72); Control: 46 (46). |
| 01/01/1906 |
OSA scouting updated ratings (potential): Stuff: 51 (51); Movement: 72 (72); Control: 46 (46). |
| 02/13/1906 |
Signed a 1-year contract worth a total of P3,000 with the Artemisa Rojos organization. |
| 01/01/1907 |
OSA scouting updated ratings (potential): Stuff: 43 (43); Movement: 42 (42); Control: 41 (41). |
| 05/13/1907 |
Unsuccessfully completed training to increase his endurance on the mound at the Artemisa Rojos development complex. |
| 06/01/1907 |
Released by the Artemisa Rojos. |
| 06/08/1907 |
Signed a 1-year contract worth a total of P980 with the Habana Leones organization. |
| 10/21/1907 |
Injured (sore elbow),day-to-day for 1-2 weeks. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Stuff: 39 (39); Movement: 38 (38); Control: 41 (41). |
| 05/05/1908 |
Successfully completed training to increase his endurance on the mound at the Habana Leones development complex. |
| 06/01/1908 |
Unsuccessfully completed training to improve his infield defense at the Habana Leones development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Stuff: 37 (37); Movement: 42 (42); Control: 42 (42). |
| 05/05/1909 |
Successfully completed training to increase his endurance on the mound at the Habana Leones development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Stuff: 32 (32); Movement: 34 (34); Control: 39 (39). |
| 08/12/1910 |
Injured (strep throat),day-to-day for 4 days. |