| Player History |
| 06-15-1990 | Drafted in the 1990 first-year player draft (Round 1, Pick 1, 1st overall Pick) by the Pittsburgh Pirates. |
| 06-15-1990 | Drafted in the 1990 first-year player draft (Round 1, Pick 1, 1st overall Pick) by the Pittsburgh Pirates. |
| 06-15-1990 | Pitches a 3-hit shutout against the Montrose Dazzlers with 8 strikeouts and 4 BB allowed! |
| 07-05-1990 | Pitches a NO-HITTER against the Wichita Sluggers with 10 strikeouts and 0 BB allowed! |
| 08-01-1990 | Pitches a 3-hit shutout against the Modesto Redjackets with 7 strikeouts and 0 BB allowed! |
| 01-01-1991 | OSA scouting updated ratings (potential): Stuff: 8 (8); Movement: 9 (9); Control: 10 (10). |
| 04-01-1991 | Named the #10 prospect in the MLB |
| 04-25-1991 | Pitches a 2-hit shutout against the Atlanta Braves with 9 strikeouts and 0 BB allowed! |
| 06-29-1991 | Was selected to the 1991 Major League Baseball All-Star Game. |
| 07-09-1991 | Pitches a 3-hit shutout against the Los Angeles (N) Dodgers with 5 strikeouts and 1 BB allowed! |
| 08-01-1991 | Wins the MLB NL Pitcher of the Month Award. |
| 08-01-1991 | Wins the MLB NL Rookie of the Month Award. |
| 08-04-1991 | Injured (strained back muscle), day-to-day for 1-2 weeks. |
| 11-09-1991 | Wins the 1991 MLB NL Rookie of The Year. |
| 11-21-1991 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1992 | OSA scouting updated ratings (potential): Stuff: 9 (9); Movement: 10 (10); Control: 9 (9). |
| 07-26-1992 | Pitches a 4-hit shutout against the San Francisco Giants with 5 strikeouts and 1 BB allowed! |
| 08-18-1992 | Injured (torn tricep muscle), out for 7 months. |
| 11-20-1992 | Received a 1-year contract worth a total of $300,000 through automatic renewal. |
| 01-01-1993 | OSA scouting updated ratings (potential): Stuff: 6 (6); Movement: 7 (7); Control: 7 (7). |
| 05-16-1993 | Injured (finger blister), out for 1-2 weeks. |
| 11-01-1993 | Wins the 1993 MLB NL Gold Glove at P. |
| 11-11-1993 | Received a 1-year contract worth a total of $1,580,100 through arbitration. |
| 01-01-1994 | OSA scouting updated ratings (potential): Stuff: 5 (5); Movement: 10 (10); Control: 6 (6). |
| 05-18-1994 | Injured (tender elbow), day-to-day for 3 days. |
| 05-24-1994 | Pitches a 6-hit shutout against the Cincinnati Reds with 6 strikeouts and 2 BB allowed! |
| 06-20-1994 | Pitches a 2-hit shutout against the San Diego Padres with 2 strikeouts and 0 BB allowed! |
| 08-21-1994 | Injured (dead arm syndrome), out for 1-2 weeks. |
| 10-23-1994 | Won the 1994 Major League Baseball World Series with the Pittsburgh Pirates! |
| 11-13-1994 | Received a 1-year contract worth a total of $1,697,400 through arbitration. |
| 01-01-1995 | OSA scouting updated ratings (potential): Stuff: 4 (4); Movement: 10 (10); Control: 6 (6). |
| 03-02-1995 | Was traded by the Pittsburgh Pirates to the Texas Rangers in exchange for MR K. Woodson. |
| 11-07-1995 | Received a 1-year contract worth a total of $1,357,920 through arbitration. |
| 01-01-1996 | OSA scouting updated ratings (potential): Stuff: 3 (3); Movement: 8 (8); Control: 6 (6). |
| 08-05-1996 | Pitches a 4-hit shutout against the Detroit Tigers with 2 strikeouts and 2 BB allowed! |
| 11-13-1996 | Received a 1-year contract worth a total of $1,086,336 through arbitration. |
| 01-01-1997 | OSA scouting updated ratings (potential): Stuff: 2 (2); Movement: 8 (8); Control: 7 (7). |
| 04-12-1997 | Pitches a 4-hit shutout against the Baltimore Orioles with 2 strikeouts and 1 BB allowed! |
| 11-20-1997 | Became a free agent. |
| 01-01-1998 | OSA scouting updated ratings (potential): Stuff: 2 (2); Movement: 9 (9); Control: 7 (7). |
| 02-05-1998 | Signed a 1-year contract worth a total of $500,000 with the Arizona Diamondbacks organization. |
| 05-07-1998 | Pitches a 4-hit shutout against the Garland Express with 5 strikeouts and 1 BB allowed! |
| 05-30-1998 | Got claimed off waivers by Toronto while with Arizona. |