| 04/04/1988 |
Named the #100 prospect in the MLB |
| 11/15/1988 |
Received a 1-year contract through automatic renewal worth a total of $120,000. |
| 01/01/1989 |
OSA scouting updated ratings (potential): Stuff: 20 (20); Movement: 13 (13); Control: 7 (8). |
| 01/01/1989 |
OSA scouting updated ratings (potential): Stuff: 20 (20); Movement: 13 (13); Control: 7 (8). |
| 11/17/1989 |
Received a 1-year contract through automatic renewal worth a total of $126,000. |
| 01/01/1990 |
OSA scouting updated ratings (potential): Stuff: 20 (20); Movement: 13 (14); Control: 8 (8). |
| 01/01/1990 |
OSA scouting updated ratings (potential): Stuff: 20 (20); Movement: 13 (14); Control: 8 (8). |
| 04/09/1990 |
Injured (inner ear infection),day-to-day for one week. |
| 09/10/1990 |
Injured (sore thumb),day-to-day for 2 days. |
| 11/16/1990 |
Received a 1-year contract through automatic renewal worth a total of $134,000. |
| 01/01/1991 |
OSA scouting updated ratings (potential): Stuff: 19 (19); Movement: 14 (14); Control: 8 (8). |
| 01/01/1991 |
OSA scouting updated ratings (potential): Stuff: 19 (19); Movement: 14 (14); Control: 8 (8). |
| 11/20/1991 |
Received a 1-year contract through arbitration worth a total of $719,550. |
| 01/01/1992 |
OSA scouting updated ratings (potential): Stuff: 18 (18); Movement: 13 (13); Control: 8 (8). |
| 01/01/1992 |
OSA scouting updated ratings (potential): Stuff: 18 (18); Movement: 13 (13); Control: 8 (8). |
| 03/08/1992 |
Successfully completed training to increase his velocity at the Kansas City Royals development complex. |
| 11/13/1992 |
Received a 1-year contract through arbitration worth a total of $1,000,000. |
| 01/01/1993 |
OSA scouting updated ratings (potential): Stuff: 17 (20); Movement: 13 (13); Control: 8 (8). |
| 01/01/1993 |
OSA scouting updated ratings (potential): Stuff: 17 (20); Movement: 13 (13); Control: 8 (8). |
| 03/07/1993 |
Unsuccessfully completed training to increase his endurance on the mound at the Kansas City Royals development complex. |
| 11/17/1993 |
Received a 1-year contract through arbitration worth a total of $1,674,000. |
| 01/01/1994 |
OSA scouting updated ratings (potential): Stuff: 17 (19); Movement: 14 (14); Control: 8 (8). |
| 01/01/1994 |
OSA scouting updated ratings (potential): Stuff: 17 (19); Movement: 14 (14); Control: 8 (8). |
| 01/01/1995 |
OSA scouting updated ratings (potential): Stuff: 19 (20); Movement: 13 (13); Control: 10 (10). |
| 01/01/1995 |
OSA scouting updated ratings (potential): Stuff: 19 (20); Movement: 13 (13); Control: 10 (10). |
| 01/01/1996 |
OSA scouting updated ratings (potential): Stuff: 19 (20); Movement: 13 (13); Control: 10 (10). |
| 01/01/1996 |
OSA scouting updated ratings (potential): Stuff: 19 (20); Movement: 13 (13); Control: 10 (10). |
| 09/04/1996 |
Injured (forearm soreness),day-to-day for one week. |
| 01/01/1997 |
OSA scouting updated ratings (potential): Stuff: 18 (20); Movement: 14 (14); Control: 10 (10). |
| 01/01/1997 |
OSA scouting updated ratings (potential): Stuff: 18 (20); Movement: 14 (14); Control: 10 (10). |
| 01/01/1998 |
OSA scouting updated ratings (potential): Stuff: 17 (17); Movement: 13 (13); Control: 10 (10). |
| 01/01/1998 |
OSA scouting updated ratings (potential): Stuff: 17 (17); Movement: 13 (13); Control: 10 (10). |
| 11/20/1998 |
Became a free agent. |
| 12/21/1998 |
Signed a 4-year contract worth a total of $19,900,000 with the Chicago Cubs organization. |
| 01/01/1999 |
OSA scouting updated ratings (potential): Stuff: 17 (17); Movement: 13 (13); Control: 10 (10). |
| 01/01/1999 |
OSA scouting updated ratings (potential): Stuff: 17 (17); Movement: 13 (13); Control: 10 (10). |
| 09/01/1999 |
Wins the MLB NL Pitcher of the Month Award. |
| 01/01/2000 |
OSA scouting updated ratings (potential): Stuff: 15 (15); Movement: 14 (14); Control: 10 (10). |
| 01/01/2000 |
OSA scouting updated ratings (potential): Stuff: 15 (15); Movement: 14 (14); Control: 10 (10). |
| 03/04/2000 |
Detrimentally completed training to increase his velocity at the Chicago Cubs development complex. |
| 01/01/2001 |
OSA scouting updated ratings (potential): Stuff: 15 (15); Movement: 12 (12); Control: 8 (8). |
| 01/01/2001 |
OSA scouting updated ratings (potential): Stuff: 15 (15); Movement: 12 (12); Control: 8 (8). |
| 07/10/2001 |
Injured on 07/06/2001, diagnosed with shoulder inflammation, will miss 8 months. |
| 01/01/2002 |
OSA scouting updated ratings (potential): Stuff: 14 (14); Movement: 12 (12); Control: 8 (8). |
| 01/01/2002 |
OSA scouting updated ratings (potential): Stuff: 14 (14); Movement: 12 (12); Control: 8 (8). |
| 06/01/2002 |
Injured (mild oblique strain),day-to-day for 5 days. |
| 01/01/2003 |
OSA scouting updated ratings (potential): Stuff: 15 (15); Movement: 15 (15); Control: 16 (16). |
| 01/01/2003 |
OSA scouting updated ratings (potential): Stuff: 15 (15); Movement: 15 (15); Control: 16 (16). |
| 01/01/2004 |
OSA scouting updated ratings (potential): Stuff: 11 (11); Movement: 14 (14); Control: 20 (20). |
| 01/01/2004 |
OSA scouting updated ratings (potential): Stuff: 11 (11); Movement: 14 (14); Control: 20 (20). |