| Player History |
| 07-29-1985 | Wins the MLBAAA SL2 Player of the Week Award. |
| 01-01-1986 | SISA scouting updated ratings (potential): Contact: 7 (7); Power: 5 (5); Eye: 7 (9). |
| 04-19-1986 | Goes 5-6 against the Birmingham Millionaires, with 1 2B, 0 RBI and 3 R. |
| 06-23-1986 | Wins the MLBAAA SL2 Player of the Week Award. |
| 07-10-1986 | Injured (tender shoulder), day-to-day for 4 days. |
| 01-01-1987 | SISA scouting updated ratings (potential): Contact: 7 (7); Power: 3 (3); Eye: 7 (7). |
| 05-11-1987 | Wins the MLB NL Player of the Week Award. |
| 09-01-1987 | Wins the MLB NL Rookie of the Month Award. |
| 11-04-1987 | Wins the 1987 MLB NL Rookie of The Year. |
| 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): Contact: 8 (8); Power: 5 (6); Eye: 9 (9). |
| 04-01-1988 | Named the #6 prospect in the MLB |
| 05-19-1988 | Injured (strained back muscle), day-to-day for 3 days. |
| 09-08-1988 | Injured (strained back muscle), day-to-day for 6 days. |
| 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: 9 (9); Power: 7 (7); Eye: 8 (8). |
| 05-04-1989 | Injured (strained back muscle), out for 4 weeks. |
| 08-19-1989 | Injured (dead arm syndrome), out for one week. |
| 11-09-1989 | Wins the 1989 MLB NL Gold Glove at SS. |
| 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: 7 (7); Power: 7 (7); Eye: 9 (9). |
| 06-02-1990 | Signed a 7-year contract extension worth a total of $39,130,000 with the Pittsburgh Pirates organization. |
| 01-01-1991 | OSA scouting updated ratings (potential): Contact: 6 (6); Power: 6 (6); Eye: 7 (7). |
| 08-11-1991 | Injured (strained calf muscle), out for 1-2 weeks. |
| 01-01-1992 | OSA scouting updated ratings (potential): Contact: 6 (6); Power: 7 (7); Eye: 9 (9). |
| 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: 5 (5); Eye: 8 (8). |
| 01-01-1994 | OSA scouting updated ratings (potential): Contact: 6 (6); Power: 5 (5); Eye: 8 (8). |
| 08-18-1994 | Injured (bronchitis), day-to-day for 4 days. |
| 10-23-1994 | Won the 1994 Major League Baseball World Series with the Pittsburgh Pirates! |
| 01-01-1995 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 6 (6); Eye: 8 (8). |
| 10-17-1995 | Won the 1995 Major League Baseball World Series with the Pittsburgh Pirates! |
| 01-01-1996 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 5 (5); Eye: 8 (8). |
| 11-16-1996 | Was traded by the Pittsburgh Pirates to the Montreal Expos, along with SP S. Reynolds, in exchange for . |
| 01-01-1997 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 5 (5); Eye: 8 (8). |
| 02-01-1997 | Signed a 2-year contract extension worth a total of $1,660,000 with the Montreal Expos organization. |
| 07-21-1997 | Wins the MLB NL Player of the Week Award. |
| 01-01-1998 | OSA scouting updated ratings (potential): Contact: 5 (5); Power: 5 (5); Eye: 9 (9). |