| 01/01/1907 |
OSA scouting updated ratings (potential): Stuff: 1 (36); Movement: 18 (72); Control: 1 (48). |
| 01/14/1907 |
Signed a 1-year minor league contract with the Guaynabo Libertadores organization. |
| 03/16/1907 |
Injured (broken kneecap),out for 4 months. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Stuff: 1 (36); Movement: 19 (69); Control: 1 (49). |
| 02/25/1908 |
Detrimentally completed training to improve his pitch control at the Guaynabo Libertadores development complex. |
| 04/06/1908 |
Unsuccessfully completed training to improve his infield defense at the Guaynabo Libertadores development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Stuff: 8 (40); Movement: 18 (72); Control: 1 (50). |
| 02/23/1909 |
Unsuccessfully completed training to increase his endurance on the mound at the Guaynabo Libertadores development complex. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Stuff: 2 (42); Movement: 17 (67); Control: 10 (55). |
| 02/22/1910 |
Detrimentally completed training to increase his endurance on the mound at the Guaynabo Libertadores development complex. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Stuff: 14 (59); Movement: 21 (58); Control: 16 (67). |
| 02/21/1911 |
Unsuccessfully completed training to improve his strength and conditioning at the Guaynabo Libertadores development complex. |
| 10/26/1911 |
Finished 2nd in 1911 LVP LMB UtilĂsimo (LVP) voting. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Stuff: 27 (95); Movement: 31 (100); Control: 15 (90). |
| 02/20/1912 |
Unsuccessfully completed training to improve his secondary pitch at the Guaynabo Libertadores development complex. |
| 01/01/1913 |
OSA scouting updated ratings (potential): Stuff: 34 (94); Movement: 36 (100); Control: 21 (91). |
| 02/25/1913 |
Successfully completed training to improve his strength and conditioning at the Guaynabo Libertadores development complex. |
| 04/07/1913 |
Unsuccessfully completed training to improve his infield defense at the Guaynabo Libertadores development complex. |
| 05/12/1913 |
Injured (back spasms),day-to-day for 4 days. |