| Player History |
| 03-30-1974 | Drafted in the 1974 first-year player draft (Round 1, Pick 7, 7th overall Pick) by the Mexico City Aztecs. |
| 04-01-1974 | Named the #30 prospect in the FOOLX |
| 01-01-1975 | OSA scouting updated ratings (potential): Stuff: 4 (8); Movement: 6 (7); Control: 2 (9). |
| 04-01-1975 | Named the #36 prospect in the FOOLX |
| 01-01-1976 | OSA scouting updated ratings (potential): Stuff: 5 (8); Movement: 6 (7); Control: 3 (9). |
| 04-01-1976 | Named the #24 prospect in the FOOLX |
| 01-01-1977 | OSA scouting updated ratings (potential): Stuff: 8 (8); Movement: 7 (7); Control: 5 (9). |
| 04-01-1977 | Named the #24 prospect in the FOOLX |
| 04-11-1977 | Strikes out 16 against the Anaheim Condors. |
| 05-01-1977 | Wins the FOOLXAAA SL2 Pitcher of the Month Award. |
| 05-24-1977 | Pitches a 2-hit shutout against the Crainville Riversharks with 13 strikeouts and 2 BB allowed! |
| 06-04-1977 | Was selected to the 1977 FOOLX Triple A All-Star Game. |
| 08-27-1977 | Won the 1977 FOOLX Triple A Round 1 with the Lubbock Gannets! |
| 01-01-1978 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 5 (9). |
| 04-01-1978 | Named the #19 prospect in the FOOLX |
| 11-12-1978 | Received a 1-year contract worth a total of $100,000 through automatic renewal. |
| 01-01-1979 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 7 (9). |
| 11-07-1979 | Received a 1-year contract worth a total of $4,126,650 through arbitration. |
| 01-01-1980 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 7 (9). |
| 11-09-1980 | Received a 1-year contract worth a total of $3,800,000 through arbitration. |
| 01-01-1981 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 8 (9). |
| 11-07-1981 | Received a 1-year contract worth a total of $4,288,110 through arbitration. |
| 01-01-1982 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 8 (8). |
| 05-01-1982 | Wins the FOOLX CL Pitcher of the Month Award. |
| 10-01-1982 | Signed a 3-year contract extension worth a total of $17,082,000 with the Mexico City Aztecs organization. |
| 01-01-1983 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 9 (9). |
| 06-20-1983 | Was selected to the 1983 FOOL-X All-Star Game. |
| 01-01-1984 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 9 (9). |
| 06-20-1984 | Was selected to the 1984 FOOL-X All-Star Game. |
| 09-01-1984 | Wins the FOOLX CL Pitcher of the Month Award. |
| 09-30-1984 | Signed a 5-year contract extension worth a total of $47,750,000 with the Mexico City Aztecs organization. |
| 01-01-1985 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 9 (9). |
| 05-01-1985 | Wins the FOOLX CL Pitcher of the Month Award. |
| 07-07-1985 | Was selected to the 1985 FOOL-X All-Star Game. |
| 10-23-1985 | Wins the 1985 FOOLX CL Pitcher of the Year Award. |
| 01-01-1986 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 7 (7); Control: 9 (9). |
| 05-01-1986 | Wins the FOOLX CL Pitcher of the Month Award. |
| 07-13-1986 | Was selected to the 1986 FOOL-X All-Star Game. |
| 01-01-1987 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 6 (6); Control: 9 (9). |
| 07-12-1987 | Was selected to the 1987 FOOL-X All-Star Game. |
| 08-01-1987 | Wins the FOOLX CL Pitcher of the Month Award. |
| 09-01-1987 | Wins the FOOLX CL Pitcher of the Month Award. |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 8 (9); Movement: 6 (6); Control: 9 (9). |
| 07-10-1988 | Was selected to the 1988 FOOL-X All-Star Game. |
| 08-01-1988 | Wins the FOOLX CL Pitcher of the Month Award. |
| 10-01-1988 | Wins the FOOLX CL Pitcher of the Month Award. |
| 10-21-1988 | Wins the 1988 FOOLX CL Pitcher of the Year Award. |
| 01-01-1989 | OSA scouting updated ratings (potential): Stuff: 8 (8); Movement: 6 (6); Control: 10 (10). |
| 07-09-1989 | Was selected to the 1989 FOOL-X All-Star Game. |
| 09-29-1989 | Collects his 3000th career FOOL-X strikeout! |
| 01-01-1990 | OSA scouting updated ratings (potential): Stuff: 8 (8); Movement: 6 (6); Control: 9 (9). |
| 04-17-1990 | Earns his 200th career FOOL-X victory! |
| 10-08-1990 | Signed a 3-year contract extension worth a total of $24,450,000 with the Mexico City Aztecs organization. |
| 01-01-1991 | OSA scouting updated ratings (potential): Stuff: 8 (8); Movement: 6 (6); Control: 10 (10). |
| 05-01-1991 | Wins the FOOLX CL Pitcher of the Month Award. |
| 09-07-1991 | Collects his 3500th career FOOL-X strikeout! |
| 01-01-1992 | OSA scouting updated ratings (potential): Stuff: 8 (8); Movement: 6 (7); Control: 9 (10). |
| 06-01-1992 | Wins the FOOLX CL Pitcher of the Month Award. |
| 07-12-1992 | Was selected to the 1992 FOOL-X All-Star Game. |
| 09-18-1992 | Earns his 250th career FOOL-X victory! |
| 01-01-1993 | OSA scouting updated ratings (potential): Stuff: 7 (7); Movement: 6 (6); Control: 9 (10). |
| 09-05-1993 | Pitches a 4-hit shutout against the Havana Banana Sluggers with 6 strikeouts and 1 BB allowed! |
| 11-18-1993 | Became a free agent. |
| 12-11-1993 | Signed a 2-year contract worth a total of $7,928,000 with the Portland Axemen organization. |
| 01-01-1994 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 6 (6); Control: 9 (10). |
| 01-01-1995 | OSA scouting updated ratings (potential): Stuff: 5 (6); Movement: 5 (6); Control: 9 (10). |
| 08-02-1995 | Collects his 4000th career FOOL-X strikeout! |
| 10-02-1995 | Released by the Portland Axemen. |
| 01-01-1996 | OSA scouting updated ratings (potential): Stuff: 4 (6); Movement: 5 (6); Control: 9 (10). |
| 01-01-1996 | Retired from professional baseball. |