| Player History |
| 03-15-1993 | Injured (damaged meniscus (knee)), day-to-day for 1-2 weeks. |
| 07-27-1993 | Was traded by the Florida Marlins to the Baltimore Orioles in exchange for 1B R. Jordan. |
| 11-12-1993 | Received a 1-year contract worth a total of $198,573 through automatic renewal. |
| 01-01-1994 | SISA scouting updated ratings (potential): Stuff: 12 (12); Movement: 12 (12); Control: 16 (16). |
| 11-20-1994 | Received a 1-year contract worth a total of $210,942 through automatic renewal. |
| 01-01-1995 | SISA scouting updated ratings (potential): Stuff: 17 (17); Movement: 14 (14); Control: 14 (15). |
| 11-16-1995 | Received a 1-year contract worth a total of $1,429,956 through arbitration. |
| 01-01-1996 | SISA scouting updated ratings (potential): Stuff: 19 (19); Movement: 10 (11); Control: 11 (12). |
| 01-09-1996 | Signed a 2-year contract extension worth a total of $4,054,000 with the Baltimore Orioles organization. |
| 01-01-1997 | SISA scouting updated ratings (potential): Stuff: 20 (20); Movement: 15 (15); Control: 10 (10). |
| 01-01-1998 | SISA scouting updated ratings (potential): Stuff: 18 (18); Movement: 15 (16); Control: 14 (15). |
| 06-27-1998 | Was selected to the 1998 Major League Baseball All-Star Game. |
| 11-21-1998 | Became a free agent. |
| 12-23-1998 | Signed a 2-year contract worth a total of $18,910,800 with the Florida Marlins organization. |
| 01-01-1999 | SISA scouting updated ratings (potential): Stuff: 19 (19); Movement: 16 (16); Control: 15 (16). |
| 06-27-1999 | Was selected to the 1999 Major League Baseball All-Star Game. |
| 01-01-2000 | SISA scouting updated ratings (potential): Stuff: 17 (17); Movement: 12 (12); Control: 13 (14). |
| 11-22-2000 | Became a free agent. |
| 12-24-2000 | Signed a 4-year contract worth a total of $33,864,800 with the Oakland Athletics organization. |
| 01-01-2001 | SISA scouting updated ratings (potential): Stuff: 18 (18); Movement: 14 (14); Control: 13 (13). |
| 06-27-2001 | Was selected to the 2001 Major League Baseball All-Star Game. |
| 01-01-2002 | SISA scouting updated ratings (potential): Stuff: 16 (16); Movement: 14 (14); Control: 12 (13). |
| 01-01-2003 | SISA scouting updated ratings (potential): Stuff: 18 (18); Movement: 15 (15); Control: 14 (15). |
| 10-26-2003 | Won the 2003 Major League Baseball World Series with the Oakland Athletics! |
| 01-01-2004 | SISA scouting updated ratings (potential): Stuff: 14 (14); Movement: 14 (14); Control: 18 (18). |
| 11-24-2004 | Became a free agent. |
| 12-23-2004 | Signed a 3-year contract worth a total of $16,686,600 with the Florida Marlins organization. |
| 01-01-2005 | SISA scouting updated ratings (potential): Stuff: 13 (13); Movement: 15 (15); Control: 15 (17). |
| 01-01-2006 | SISA scouting updated ratings (potential): Stuff: 12 (12); Movement: 16 (16); Control: 16 (17). |
| 11-24-2006 | Became a free agent. |
| 12-27-2006 | Signed a 2-year contract worth a total of $14,728,000 with the Florida Marlins organization. |
| 01-01-2007 | SISA scouting updated ratings (potential): Stuff: 12 (12); Movement: 15 (15); Control: 16 (17). |
| 06-27-2007 | Was selected to the 2007 Major League Baseball All-Star Game. |
| 01-01-2008 | SISA scouting updated ratings (potential): Stuff: 9 (11); Movement: 15 (18); Control: 15 (16). |