| Player History |
| 06-15-1980 | Drafted in the 1980 first-year player draft (Round 2, Pick 14, 40th overall Pick) by the San Francisco Giants. |
| 11-22-1980 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1981 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 9 (9); Control: 7 (8). |
| 01-01-1982 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 7 (7); Control: 8 (8). |
| 07-03-1982 | Injured (tender elbow), day-to-day for 1-2 weeks. |
| 11-22-1982 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1983 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 6 (6); Control: 8 (8). |
| 10-30-1983 | Won the 1983 Major League Baseball World Series with the San Francisco Giants! |
| 11-20-1983 | Received a 1-year contract worth a total of $1,483,500 through arbitration. |
| 01-01-1984 | SISA scouting updated ratings (potential): Stuff: 5 (5); Movement: 7 (7); Control: 8 (8). |
| 10-25-1984 | Won the 1984 Major League Baseball World Series with the San Francisco Giants! |
| 11-15-1984 | Received a 1-year contract worth a total of $1,620,000 through arbitration. |
| 01-01-1985 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 6 (6); Control: 7 (7). |
| 11-15-1985 | Received a 1-year contract worth a total of $1,815,000 through arbitration. |
| 01-01-1986 | SISA scouting updated ratings (potential): Stuff: 5 (5); Movement: 8 (8); Control: 8 (8). |
| 06-26-1986 | Injured (strained elbow ligament), out for 4 weeks. |
| 06-29-1986 | Was selected to the 1986 Major League Baseball All-Star Game. |
| 10-30-1986 | Signed a 3-year contract extension worth a total of $9,840,000 with the San Francisco Giants organization. |
| 01-01-1987 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 7 (7); Control: 7 (7). |
| 06-29-1987 | Was selected to the 1987 Major League Baseball All-Star Game. |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 9 (9); Control: 10 (10). |
| 01-01-1989 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 8 (8); Control: 9 (9). |