| Player History |
| 08-26-1998 | Injured (bone chips (elbow)), out for 11 months. |
| 09-05-1998 | Won the 1998 MLB Triple A Championship Series with the Rochester Commissioners! |
| 01-01-1999 | SISA scouting updated ratings (potential): Stuff: 5 (6); Movement: 9 (9); Control: 8 (9). |
| 01-01-2000 | SISA scouting updated ratings (potential): Stuff: 8 (8); Movement: 13 (13); Control: 8 (8). |
| 11-22-2000 | Received a 1-year contract worth a total of $292,814 through automatic renewal. |
| 01-01-2001 | SISA scouting updated ratings (potential): Stuff: 11 (11); Movement: 15 (15); Control: 11 (11). |
| 06-27-2001 | Was selected to the 2001 Major League Baseball All-Star Game. |
| 07-01-2001 | Injured (finger blister), day-to-day for 1-2 weeks. |
| 11-20-2001 | Received a 1-year contract worth a total of $302,089 through automatic renewal. |
| 01-01-2002 | SISA scouting updated ratings (potential): Stuff: 12 (12); Movement: 17 (17); Control: 18 (18). |
| 04-23-2002 | Injured (finger blister), day-to-day for 1-2 weeks. |
| 05-23-2002 | Injured (tender elbow), day-to-day for 1-2 weeks. |
| 09-05-2002 | Pitches a 5-hit shutout against the Texas Rangers with 4 strikeouts and 1 BB allowed! |
| 11-20-2002 | Received a 1-year contract worth a total of $5,079,564 through arbitration. |
| 01-01-2003 | SISA scouting updated ratings (potential): Stuff: 11 (11); Movement: 15 (15); Control: 18 (18). |
| 03-24-2003 | Injured (finger blister), day-to-day for 1-2 weeks. |
| 04-13-2003 | Injured (dead arm syndrome), out for 1-2 weeks. |
| 08-24-2003 | Signed a 3-year contract extension worth a total of $22,728,000 with the Toronto Blue Jays organization. |
| 01-01-2004 | SISA scouting updated ratings (potential): Stuff: 13 (13); Movement: 14 (14); Control: 15 (15). |
| 05-14-2004 | Pitches a 2-hit shutout against the Chicago White Sox with 10 strikeouts and 2 BB allowed! |
| 06-18-2004 | Pitches a 4-hit shutout against the New York Yankees with 6 strikeouts and 1 BB allowed! |
| 06-27-2004 | Was selected to the 2004 Major League Baseball All-Star Game. |
| 11-05-2004 | Was traded by the Toronto Blue Jays to the Washington Nationals, along with $964,800, in exchange for CF M. Bradley. |
| 01-01-2005 | SISA scouting updated ratings (potential): Stuff: 7 (7); Movement: 12 (12); Control: 15 (15). |
| 05-20-2005 | Pitches a 4-hit shutout against the San Francisco Giants with 5 strikeouts and 2 BB allowed! |
| 05-30-2005 | Injured (strained elbow ligament), out for 3 months. |
| 01-01-2006 | SISA scouting updated ratings (potential): Stuff: 9 (9); Movement: 17 (17); Control: 19 (19). |
| 05-22-2006 | Signed a 5-year contract extension worth a total of $67,127,000 with the Washington Nationals organization. |
| 06-27-2006 | Was selected to the 2006 Major League Baseball All-Star Game. |
| 09-12-2006 | Pitches a 2-hit shutout against the Philadelphia Phillies with 5 strikeouts and 1 BB allowed! |
| 01-01-2007 | SISA scouting updated ratings (potential): Stuff: 10 (10); Movement: 14 (14); Control: 15 (16). |
| 05-15-2007 | Pitches a 4-hit shutout against the Houston Astros with 4 strikeouts and 2 BB allowed! |
| 06-01-2007 | Wins the MLB NL Pitcher of the Month Award. |
| 01-01-2008 | SISA scouting updated ratings (potential): Stuff: 10 (10); Movement: 16 (17); Control: 17 (17). |