| Player History |
| 01-01-1986 | SISA scouting updated ratings (potential): Contact: 6 (8); Power: 6 (10); Eye: 3 (5). |
| 04-16-1986 | Goes 5-5 against the Aurora Sonics, with 1 2B, 2 HR, 4 RBI and 2 R. |
| 05-12-1986 | Wins the MLBAAA SL2 Player of the Week Award. |
| 09-30-1986 | Wins the 1986 MLBAAA SL2 MVP Award. |
| 01-01-1987 | SISA scouting updated ratings (potential): Contact: 5 (5); Power: 8 (10); Eye: 7 (9). |
| 04-20-1987 | Wins the MLBAAA SL2 Player of the Week Award. |
| 06-04-1987 | Was selected to the 1987 MLB Triple A All-Star Game. |
| 01-01-1988 | OSA scouting updated ratings (potential): Contact: 4 (4); Power: 6 (8); Eye: 5 (6). |
| 04-01-1988 | Named the #4 prospect in the MLB |
| 05-16-1988 | Wins the MLBAAA SL2 Player of the Week Award. |
| 06-01-1988 | Wins the MLBAAA SL2 Batter of the Month Award. |
| 06-04-1988 | Was selected to the 1988 MLB Triple A All-Star Game. |
| 06-06-1988 | Wins the MLBAAA SL2 Player of the Week Award. |
| 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): Contact: 4 (5); Power: 6 (7); Eye: 5 (5). |
| 04-01-1989 | Named the #1 prospect in the MLB |
| 06-29-1989 | Was selected to the 1989 Major League Baseball All-Star Game. |
| 11-09-1989 | Wins the 1989 MLB NL Gold Glove at 1B. |
| 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): Contact: 5 (5); Power: 7 (7); Eye: 7 (7). |
| 05-21-1990 | Signed a 10-year contract extension worth a total of $87,300,000 with the Pittsburgh Pirates organization. |
| 08-06-1990 | Wins the MLB NL Player of the Week Award. |
| 09-03-1990 | Wins the MLB NL Player of the Week Award. |
| 01-01-1991 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 9 (9); Eye: 6 (6). |
| 05-29-1991 | Goes 5-5 against the St. Louis Cardinals, with 1 2B, 1 HR, 3 RBI and 3 R. |
| 06-29-1991 | Was selected to the 1991 Major League Baseball All-Star Game. |
| 01-01-1992 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 8 (8); Eye: 8 (8). |
| 04-27-1992 | Wins the MLB NL Player of the Week Award. |
| 07-25-1992 | Suspended 8 games after ejection following a brawl. |
| 10-01-1992 | Wins the MLB NL Batter of the Month Award. |
| 10-27-1992 | Won the 1992 Major League Baseball World Series with the Pittsburgh Pirates! |
| 01-01-1993 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 7 (8); Eye: 7 (7). |
| 01-01-1994 | OSA scouting updated ratings (potential): Contact: 4 (4); Power: 9 (9); Eye: 6 (6). |
| 05-23-1994 | Wins the MLB NL Player of the Week Award. |
| 09-13-1994 | Hits his 300th career Major League Baseball home run! |
| 10-23-1994 | Won the 1994 Major League Baseball World Series with the Pittsburgh Pirates! |
| 01-01-1995 | OSA scouting updated ratings (potential): Contact: 4 (5); Power: 10 (10); Eye: 7 (7). |
| 08-14-1995 | Wins the MLB NL Player of the Week Award. |
| 10-17-1995 | Won the 1995 Major League Baseball World Series with the Pittsburgh Pirates! |
| 01-01-1996 | OSA scouting updated ratings (potential): Contact: 4 (5); Power: 8 (9); Eye: 7 (7). |
| 06-03-1996 | Wins the MLB NL Player of the Week Award. |
| 06-08-1996 | Collects his 1000th career Major League Baseball RBI! |
| 06-20-1996 | Was selected to the 1996 Major League Baseball All-Star Game. |
| 07-26-1996 | Scores his 1000th career Major League Baseball run! |
| 01-01-1997 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 9 (10); Eye: 8 (8). |
| 04-11-1997 | Hits his 400th career Major League Baseball home run! |
| 07-06-1997 | Was selected to the 1997 Major League Baseball All-Star Game. |
| 01-01-1998 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 9 (9); Eye: 9 (9). |
| 03-12-1998 | Injured (concussion), day-to-day for 3 days. |
| 03-21-1998 | Injured (swollen ear), day-to-day for 5 days. |