| 01/01/1902 |
OSA scouting updated ratings (potential): Contact: 61 (61); Power: 33 (33); Eye: 42 (42). |
| 05/13/1902 |
Signed a 1-year contract worth a total of P1,740 with the Ciudad Mexico Volcanes organization. |
| 01/01/1903 |
OSA scouting updated ratings (potential): Contact: 60 (60); Power: 35 (35); Eye: 41 (46). |
| 01/01/1904 |
OSA scouting updated ratings (potential): Contact: 60 (60); Power: 36 (36); Eye: 43 (43). |
| 01/01/1905 |
OSA scouting updated ratings (potential): Contact: 57 (57); Power: 39 (39); Eye: 43 (43). |
| 01/19/1905 |
Injured (bruised elbow, jammed finger, sore ankle),out for 3 days. |
| 05/05/1905 |
Unsuccessfully completed training to improve his running mechanics at the Ciudad Mexico Volcanes development complex. |
| 11/24/1905 |
Wins the 1905 Campeonato Nacional de México with the Ciudad Mexico Volcanes. |
| 01/01/1906 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 40 (40); Eye: 43 (43). |
| 11/19/1906 |
Wins the 1906 Campeonato Nacional de México with the Ciudad Mexico Volcanes. |
| 01/01/1907 |
OSA scouting updated ratings (potential): Contact: 44 (44); Power: 36 (36); Eye: 46 (46). |
| 04/16/1907 |
Successfully completed training to improve his infield defense at the Ciudad Mexico Volcanes development complex. |
| 11/21/1907 |
Wins the 1907 Campeonato Nacional de México with the Ciudad Mexico Volcanes. |
| 01/01/1908 |
OSA scouting updated ratings (potential): Contact: 43 (43); Power: 36 (36); Eye: 47 (47). |
| 05/05/1908 |
Outstandingly completed training to improve his strength and conditioning at the Ciudad Mexico Volcanes development complex. |
| 06/01/1908 |
Unsuccessfully completed training to improve his infield defense at the Ciudad Mexico Volcanes development complex. |
| 11/23/1908 |
Wins the 1908 Campeonato Nacional de México with the Ciudad Mexico Volcanes. |