| 07/28/1990 |
Signed a minor league contract out of Mexico with the Oakland Athletics organization. |
| 01/01/1991 |
OSA scouting updated ratings (potential): Contact: 25 (45); Power: 20 (20); Eye: 25 (60). |
| 01/01/1992 |
OSA scouting updated ratings (potential): Contact: 25 (35); Power: 20 (20); Eye: 25 (55). |
| 01/01/1993 |
OSA scouting updated ratings (potential): Contact: 25 (45); Power: 20 (20); Eye: 30 (55). |
| 02/22/1993 |
Promoted from international complex to U20 Dominican Rookie League Oakland (DSL). |
| 07/14/1993 |
Injured (Back stiffness), day-to-day for 1-2 weeks. |
| 07/25/1993 |
Injured (Sore knee), day-to-day for 3 days. |
| 01/01/1994 |
OSA scouting updated ratings (potential): Contact: 30 (45); Power: 20 (20); Eye: 30 (50). |
| 01/01/1995 |
OSA scouting updated ratings (potential): Contact: 30 (35); Power: 20 (20); Eye: 35 (55). |
| 08/02/1995 |
Injured (Dead arm), out for 4 days. |
| 01/01/1996 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 25 (30); Eye: 35 (55). |
| 07/29/1996 |
Injured (Recurring back spasms), out for 5-6 weeks. |
| 01/01/1997 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 25 (30); Eye: 40 (55). |
| 08/05/1997 |
Injured (Dead arm), out for 2 weeks. |
| 11/06/1997 |
Released by the Oakland organization. |
| 01/01/1998 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 25 (25); Eye: 45 (55). |
| 06/26/1998 |
Signed a 1-year minor league contract with the St. Louis (GCL) Cardinals organization. |
| 11/05/1998 |
Released by the St. Louis organization. |
| 01/01/1999 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 25 (30); Eye: 45 (55). |
| 01/01/2000 |
OSA scouting updated ratings (potential): Contact: 35 (35); Power: 30 (30); Eye: 45 (55). |