| Player History |
| 04-29-1995 | Injured (torn tricep muscle), out for 8 months. |
| 01-01-1996 | SISA scouting updated ratings (potential): Stuff: 10 (10); Movement: 12 (12); Control: 8 (8). |
| 11-22-1996 | Received a 1-year contract worth a total of $233,156 through automatic renewal. |
| 01-01-1997 | SISA scouting updated ratings (potential): Stuff: 9 (9); Movement: 15 (15); Control: 7 (8). |
| 04-16-1997 | Injured (tender shoulder), out for 1-2 weeks. |
| 09-09-1997 | Injured (strained back muscle), out for 1-2 weeks. |
| 10-17-1997 | Injured (bronchitis), out for one week. |
| 11-20-1997 | Received a 1-year contract worth a total of $247,692 through automatic renewal. |
| 01-01-1998 | SISA scouting updated ratings (potential): Stuff: 11 (11); Movement: 15 (15); Control: 8 (8). |
| 05-15-1998 | Injured (dead arm syndrome), out for 2 weeks. |
| 05-18-1998 | Injured (undisclosed injury), out for 3 weeks. |
| 07-01-1998 | Injured (tender elbow), out for 1-2 weeks. |
| 07-12-1998 | Was traded by the Atlanta Braves to the Colorado Rockies in exchange for SS N. Perez, SP M. Saipe. |
| 11-18-1998 | Received a 1-year contract worth a total of $1,486,398 through arbitration. |
| 01-01-1999 | SISA scouting updated ratings (potential): Stuff: 8 (8); Movement: 16 (16); Control: 10 (10). |
| 08-01-1999 | Injured (dead arm syndrome), out for 2 weeks. |
| 11-16-1999 | Received a 1-year contract worth a total of $2,282,824 through arbitration. |
| 01-01-2000 | SISA scouting updated ratings (potential): Stuff: 10 (10); Movement: 12 (12); Control: 8 (8). |
| 11-19-2000 | Received a 1-year contract worth a total of $5,809,200 through arbitration. |
| 01-01-2001 | SISA scouting updated ratings (potential): Stuff: 13 (13); Movement: 16 (16); Control: 8 (9). |
| 09-22-2001 | Signed a 5-year contract extension worth a total of $43,538,000 with the Colorado Rockies organization. |
| 01-01-2002 | SISA scouting updated ratings (potential): Stuff: 14 (14); Movement: 16 (17); Control: 10 (11). |
| 05-19-2002 | Injured (finger blister), out for 1-2 weeks. |
| 01-01-2003 | SISA scouting updated ratings (potential): Stuff: 17 (17); Movement: 15 (15); Control: 9 (10). |
| 05-04-2003 | Injured (hyperextended elbow), out for 4 weeks. |
| 08-14-2003 | Injured (finger blister), day-to-day for 2 weeks. |
| 01-01-2004 | SISA scouting updated ratings (potential): Stuff: 17 (17); Movement: 16 (16); Control: 9 (9). |
| 04-18-2004 | Injured (damaged meniscus (knee)), out for 1-2 weeks. |
| 01-01-2005 | SISA scouting updated ratings (potential): Stuff: 14 (14); Movement: 15 (15); Control: 10 (10). |
| 07-01-2005 | Pitches a 4-hit shutout against the Houston Astros with 9 strikeouts and 1 BB allowed! |
| 01-01-2006 | SISA scouting updated ratings (potential): Stuff: 13 (13); Movement: 15 (15); Control: 10 (10). |
| 01-19-2006 | Signed a 4-year contract extension worth a total of $34,830,400 with the Colorado Rockies organization. |
| 06-20-2006 | Injured (tender elbow), day-to-day for 2 weeks. |
| 06-27-2006 | Was selected to the 2006 Major League Baseball All-Star Game. |
| 01-01-2007 | SISA scouting updated ratings (potential): Stuff: 12 (12); Movement: 13 (13); Control: 10 (10). |
| 08-01-2007 | Injured (torn bicep muscle), out for 8 months. |
| 01-01-2008 | SISA scouting updated ratings (potential): Stuff: 12 (12); Movement: 12 (12); Control: 9 (9). |