| 06/01/1982 |
Entered the Major League Baseball as an international amateur free agent from Dominican Republic. |
| 06/11/1982 |
Signed a minor league contract ($4,480,000 bonus) out of Dominican Republic with the Oakland Athletics organization. |
| 01/01/1983 |
OSA scouting updated ratings (potential): Contact: 30 (50); Power: 30 (50); Eye: 25 (50). |
| 01/01/1984 |
OSA scouting updated ratings (potential): Contact: 30 (55); Power: 30 (45); Eye: 25 (45). |
| 02/20/1984 |
Promoted from international complex to U20 Dominican Rookie League Oakland (DSL). |
| 06/30/1984 |
Injured (Mild oblique strain), day-to-day for 1 day. |
| 08/22/1984 |
Injured (Heart palpitations), out for 4 days. |
| 01/01/1985 |
OSA scouting updated ratings (potential): Contact: 40 (45); Power: 30 (40); Eye: 25 (50). |
| 04/26/1985 |
Injured (Hamstring soreness), day-to-day for 1 day. |
| 08/18/1985 |
Goes 5-6 against the Batavia Muckdogs, with 1 2B, 1 HR, 3 RBI and 2 R. |
| 01/01/1986 |
OSA scouting updated ratings (potential): Contact: 40 (45); Power: 35 (45); Eye: 25 (45). |
| 06/14/1986 |
Injured (Neck stiffness), day-to-day for 1 day. |
| 06/30/1986 |
Wins the CAL CAL Player of the Week Award. |
| 07/01/1986 |
Wins the CAL CAL Batter of the Month Award. |
| 07/04/1986 |
Injured (Fractured rib), out for 3 weeks. |
| 08/03/1986 |
Injured (Sprained thumb), day-to-day for 1-2 weeks. |
| 08/06/1986 |
Injured (Sprained thumb), day-to-day for 1 day. |
| 08/17/1986 |
Injured (Dehydration), day-to-day for 3 days. |
| 09/02/1986 |
Injured (Strained back), out for 3-4 weeks. |
| 09/17/1986 |
Suffered setback in recovery from injury, will miss another 2 weeks. |
| 01/01/1987 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 45 (45); Eye: 30 (40). |
| 05/17/1987 |
Injured (Hamstring soreness), day-to-day for 3 days. |
| 06/18/1987 |
Was selected to the 1987 Texas League All-Star Game. |
| 08/19/1987 |
Injured (Herniated disc (neck)), out for 1-2 weeks. |
| 01/01/1988 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 50 (50); Eye: 30 (40). |
| 04/08/1988 |
Injured (Bruised thigh), day-to-day for 4 days. |
| 09/11/1988 |
Wins the 1988 Texas League Championship Series with the Midland RockHounds! |
| 11/06/1988 |
Wins the 1988 Skyline Series with the Oakland Athletics. |
| 11/30/1988 |
Received a 1-year contract worth a total of $500,000 through automatic renewal. |
| 01/01/1989 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 50 (50); Eye: 35 (40). |
| 06/25/1989 |
Injured (Hamstring soreness), day-to-day for 3 days. |
| 08/01/1989 |
Wins the MLB MLB Rookie of the Month Award. |
| 11/27/1989 |
Received a 1-year contract worth a total of $500,000 through automatic renewal. |
| 01/01/1990 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 50 (50); Eye: 35 (40). |
| 04/30/1990 |
Wins the MLB MLB Player of the Week Award. |
| 07/16/1990 |
Wins the MLB MLB Player of the Week Award. |
| 07/26/1990 |
Injured (Dislocated finger), day-to-day for 5 days. |
| 11/24/1990 |
Received a 1-year contract worth a total of $500,000 through automatic renewal. |
| 01/01/1991 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 50 (50); Eye: 35 (40). |
| 08/13/1991 |
Injured (Sprained knee), day-to-day for 2-3 weeks. |
| 08/27/1991 |
Suffered setback in recovery from injury, will miss another 6 days. |
| 08/28/1991 |
Injured (Elbow contusion), day-to-day for 2 weeks. |
| 11/02/1991 |
Signed a 1-year contract extension worth a total of $1,280,000 with the Oakland Athletics organization. |
| 01/01/1992 |
OSA scouting updated ratings (potential): Contact: 55 (55); Power: 50 (50); Eye: 35 (40). |
| 11/09/1992 |
Signed a 1-year contract extension worth a total of $1,600,000 with the Oakland Athletics organization. |
| 01/01/1993 |
OSA scouting updated ratings (potential): Contact: 50 (50); Power: 50 (50); Eye: 40 (40). |
| 04/25/1993 |
Injured (Herniated disc (neck)), out for 2 weeks. |
| 08/15/1993 |
Injured (Herniated disc (neck)), out for 2 weeks. |
| 10/24/1993 |
Wins the 1993 MLB MLB Conference Series MVP Award. |
| 11/24/1993 |
Became a free agent. |
| 01/01/1994 |
OSA scouting updated ratings (potential): Contact: 45 (50); Power: 45 (50); Eye: 35 (40). |
| 01/30/1994 |
Signed a minor league contract with the Miami Marlins organization. |
| 07/03/1994 |
Injured (Hamstring tightness), day-to-day for 6 days. |
| 11/26/1994 |
Became a free agent. |
| 01/01/1995 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 45 (50); Eye: 35 (40). |
| 05/06/1995 |
Signed a minor league contract with the New York Yankees organization. |
| 11/26/1995 |
Became a free agent. |
| 12/27/1995 |
Signed a 1-year contract worth a total of $2,400,000 with the Miami Marlins organization. |
| 01/01/1996 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 45 (50); Eye: 35 (40). |
| 06/03/1996 |
Injured (Shoulder tendinitis), day-to-day for 3 weeks. |
| 07/10/1996 |
Injured (Herniated disc (neck)), out for 7 weeks. |
| 09/03/1996 |
Injured (Sprained knee), day-to-day for 2-3 weeks. |
| 09/23/1996 |
Wins the 1996 Pacific Coast League Championship Series with the New Orleans Baby Cakes! |
| 11/26/1996 |
Became a free agent. |
| 01/01/1997 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 45 (50); Eye: 35 (40). |
| 01/01/1998 |
OSA scouting updated ratings (potential): Contact: 45 (45); Power: 45 (45); Eye: 35 (40). |
| 01/21/1998 |
Signed a minor league contract with the Seattle Mariners organization. |
| 11/28/1998 |
Became a minor league free agent. |
| 01/01/1999 |
OSA scouting updated ratings (potential): Contact: 40 (45); Power: 45 (45); Eye: 35 (40). |
| 01/01/2000 |
OSA scouting updated ratings (potential): Contact: 40 (45); Power: 45 (45); Eye: 35 (45). |
| 01/01/2000 |
Retired from professional baseball. |