| Player History |
| 01-01-1987 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 8 (9); Control: 8 (8). |
| 11-16-1987 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1988 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (8); Control: 7 (7). |
| 06-29-1988 | Was selected to the 1988 Major League Baseball All-Star Game. |
| 11-21-1988 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1989 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 5 (5); Control: 7 (7). |
| 11-22-1989 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1990 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 7 (7). |
| 11-19-1990 | Received a 1-year contract worth a total of $2,316,800 through arbitration. |
| 01-01-1991 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 9 (9). |
| 11-18-1991 | Received a 1-year contract worth a total of $2,840,800 through arbitration. |
| 01-01-1992 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 7 (7). |
| 10-27-1992 | Won the 1992 Major League Baseball World Series with the Pittsburgh Pirates! |
| 10-27-1992 | Injured (cold), day-to-day for 2 days. |
| 11-17-1992 | Received a 1-year contract worth a total of $3,234,000 through arbitration. |
| 01-01-1993 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 7 (7). |
| 03-21-1993 | Injured (damaged meniscus (knee)), out for 1-2 weeks. |
| 09-06-1993 | Signed a 1-year contract extension worth a total of $7,630,000 with the Pittsburgh Pirates organization. |
| 01-01-1994 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 6 (6); Control: 7 (7). |
| 06-20-1994 | Was selected to the 1994 Major League Baseball All-Star Game. |
| 10-23-1994 | Won the 1994 Major League Baseball World Series with the Pittsburgh Pirates! |
| 11-16-1994 | Became a free agent. |
| 01-01-1995 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 6 (6); Control: 8 (8). |
| 06-20-1995 | Was selected to the 1995 Major League Baseball All-Star Game. |
| 01-01-1996 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 7 (7); Control: 7 (7). |
| 01-01-1997 | OSA scouting updated ratings (potential): Stuff: 2 (3); Movement: 5 (6); Control: 8 (8). |
| 01-01-1998 | OSA scouting updated ratings (potential): Stuff: 2 (3); Movement: 5 (7); Control: 7 (8). |
| 07-19-1998 | Injured (torn bicep muscle), out for 2 months. |