| Player History |
| 05-14-1997 | Injured (damaged meniscus (knee)), day-to-day for 2 weeks. |
| 06-01-1997 | Wins the MLB AL Rookie of the Month Award. |
| 06-27-1997 | Was selected to the 1997 Major League Baseball All-Star Game. |
| 07-01-1997 | Wins the MLB AL Rookie of the Month Award. |
| 09-01-1997 | Wins the MLB AL Rookie of the Month Award. |
| 09-24-1997 | Hits three home runs against the Detroit Tigers, going 3-4 with 5 RBI and 3 runs scored! |
| 11-08-1997 | Wins the 1997 MLB AL Newcomer of the Year Award. |
| 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): Contact: 12 (14); Power: 14 (15); Eye: 11 (11). |
| 05-08-1998 | Injured (damaged meniscus (knee)), day-to-day for 2 weeks. |
| 11-21-1998 | Received a 1-year contract worth a total of $260,897 through automatic renewal. |
| 01-01-1999 | SISA scouting updated ratings (potential): Contact: 8 (8); Power: 11 (11); Eye: 13 (13). |
| 09-26-1999 | Injured (bruised ribs), day-to-day for 2 weeks. |
| 11-16-1999 | Received a 1-year contract worth a total of $4,116,960 through arbitration. |
| 12-08-1999 | Was traded by the Seattle Mariners to the Pittsburgh Pirates, along with $3,000,000, in exchange for C K. Manwaring. |
| 01-01-2000 | SISA scouting updated ratings (potential): Contact: 10 (11); Power: 14 (14); Eye: 9 (9). |
| 11-19-2000 | Received a 1-year contract worth a total of $4,739,480 through arbitration. |
| 01-01-2001 | SISA scouting updated ratings (potential): Contact: 10 (11); Power: 14 (15); Eye: 10 (10). |
| 06-19-2001 | Injured (strained rib cage muscle), day-to-day for 2 weeks. |
| 11-17-2001 | Received a 1-year contract worth a total of $3,791,584 through arbitration. |
| 01-01-2002 | SISA scouting updated ratings (potential): Contact: 11 (11); Power: 14 (14); Eye: 13 (13). |
| 11-23-2002 | Became a free agent. |
| 01-01-2003 | SISA scouting updated ratings (potential): Contact: 8 (8); Power: 11 (11); Eye: 15 (16). |
| 01-10-2003 | Signed a 5-year contract worth a total of $72,493,400 with the Arizona Diamondbacks organization. |
| 01-01-2004 | SISA scouting updated ratings (potential): Contact: 10 (11); Power: 13 (15); Eye: 12 (12). |
| 03-17-2004 | Injured (dislocated shoulder), out for 2 months. |
| 01-01-2005 | SISA scouting updated ratings (potential): Contact: 9 (9); Power: 13 (13); Eye: 14 (14). |
| 03-20-2005 | Injured (pinched nerve (neck)), out for 2-3 weeks. |
| 07-20-2005 | Injured (strained thigh muscle), day-to-day for 2 weeks. |
| 08-25-2005 | Was traded by the Arizona Diamondbacks to the Washington Nationals in exchange for RF D. Bautista. |
| 01-01-2006 | SISA scouting updated ratings (potential): Contact: 9 (9); Power: 13 (14); Eye: 15 (15). |
| 01-01-2007 | SISA scouting updated ratings (potential): Contact: 8 (8); Power: 7 (7); Eye: 12 (12). |
| 08-05-2007 | Injured (damaged meniscus (knee)), out for 2 weeks. |
| 11-21-2007 | Became a free agent. |
| 01-01-2008 | SISA scouting updated ratings (potential): Contact: 10 (11); Power: 9 (11); Eye: 11 (11). |