| 12/23/1904 |
Signed a 1-year contract worth a total of P2,740 with the Catano Guardacostas organization. |
| 01/01/1905 |
OSA scouting updated ratings (potential): Contact: 100 (100); Power: 35 (35); Eye: 45 (45). |
| 04/03/1905 |
Successfully completed training to improve his defense at right field at the Catano Guardacostas development complex. |
| 01/01/1906 |
OSA scouting updated ratings (potential): Contact: 100 (100); Power: 38 (38); Eye: 46 (46). |
| 02/20/1906 |
Detrimentally completed training to improve his running mechanics at the Catano Guardacostas development complex. |
| 04/02/1906 |
Unsuccessfully completed training to learn a new position at the Catano Guardacostas development complex. |
| 04/16/1906 |
Injured (hand soreness),day-to-day for 3 days. |
| 01/01/1907 |
OSA scouting updated ratings (potential): Contact: 94 (94); Power: 31 (31); Eye: 47 (47). |
| 02/19/1907 |
Unsuccessfully completed training to improve his strength and conditioning at the Catano Guardacostas development complex. |
| 04/01/1907 |
Successfully completed training to improve his base-stealing technique at the Catano Guardacostas development complex. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Contact: 91 (91); Power: 33 (33); Eye: 47 (47). |
| 02/25/1908 |
Unsuccessfully completed training to improve his strength and conditioning at the Catano Guardacostas development complex. |
| 04/06/1908 |
Detrimentally completed training to improve his baserunning fundamentals at the Catano Guardacostas development complex. |
| 01/01/1909 |
OSA scouting updated ratings (potential): Contact: 87 (87); Power: 35 (35); Eye: 46 (46). |
| 02/23/1909 |
Successfully completed training to improve his strength and conditioning at the Catano Guardacostas development complex. |
| 04/05/1909 |
Successfully completed training to improve his baserunning fundamentals at the Catano Guardacostas development complex. |
| 08/28/1909 |
Injured (precautionary reasons (head injury)),out for 1 day. |
| 10/01/1909 |
Injured (fractured thumb),out for 5 weeks. |
| 11/26/1909 |
Wins the 1909 LNP LB Valentísimo at DH. |
| 01/01/1910 |
OSA scouting updated ratings (potential): Contact: 84 (84); Power: 34 (34); Eye: 42 (42). |
| 01/06/1910 |
Unsuccessfully completed training to improve his outfield defense at the Catano Guardacostas development complex. |
| 04/04/1910 |
Successfully completed training to improve his strength and conditioning at the Catano Guardacostas development complex. |
| 05/28/1910 |
Collects his 1000th career Liga Nacional Puertorriquena hit! |
| 07/11/1910 |
Injured (sore groin),day-to-day for 1 day. |
| 01/01/1911 |
OSA scouting updated ratings (potential): Contact: 82 (82); Power: 35 (35); Eye: 41 (41). |
| 01/14/1911 |
Successfully completed training to improve his baserunning fundamentals at the Catano Guardacostas development complex. |
| 04/03/1911 |
Successfully completed training to improve his outfield defense at the Catano Guardacostas development complex. |
| 04/30/1911 |
Injured on 04/28/1911, diagnosed with a bruised hand, is day-to-day. |
| 07/31/1911 |
Injured on 07/30/1911, diagnosed with a bruised elbow, is day-to-day. |
| 01/01/1912 |
OSA scouting updated ratings (potential): Contact: 100 (100); Power: 10 (10); Eye: 37 (37). |
| 02/20/1912 |
Outstandingly completed training to improve his running mechanics at the Catano Guardacostas development complex. |
| 04/01/1912 |
Successfully completed training to improve his baserunning fundamentals at the Catano Guardacostas development complex. |
| 04/15/1912 |
Injured on 04/13/1912, diagnosed with a concussion, will miss 7 weeks. |
| 01/01/1913 |
OSA scouting updated ratings (potential): Contact: 99 (99); Power: 9 (9); Eye: 36 (36). |
| 02/25/1913 |
Outstandingly completed training to improve his strength and conditioning at the Catano Guardacostas development complex. |
| 04/07/1913 |
Successfully completed training to improve his baserunning fundamentals at the Catano Guardacostas development complex. |
| 06/05/1913 |
Collects his 1500th career Liga Nacional Puertorriquena hit! |
| 09/15/1913 |
Wins the LNP LB Player of the Week Award. |