| Player History |
| 08-14-1995 | Injured (flu), day-to-day for 2 weeks. |
| 01-01-1996 | SISA scouting updated ratings (potential): Contact: 7 (7); Power: 9 (9); Eye: 12 (12). |
| 05-01-1996 | Wins the MLB AL Rookie of the Month Award. |
| 10-29-1996 | Won the 1996 Major League Baseball World Series with the New York Yankees! |
| 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): Contact: 11 (11); Power: 11 (11); Eye: 11 (11). |
| 05-05-1997 | Injured (blurred vision), out for 1-2 weeks. |
| 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: 11 (13); Power: 13 (15); Eye: 12 (13). |
| 11-18-1998 | Received a 1-year contract worth a total of $4,472,064 through arbitration. |
| 01-01-1999 | SISA scouting updated ratings (potential): Contact: 12 (12); Power: 15 (16); Eye: 15 (15). |
| 11-16-1999 | Received a 1-year contract worth a total of $4,861,492 through arbitration. |
| 01-01-2000 | SISA scouting updated ratings (potential): Contact: 12 (13); Power: 14 (17); Eye: 13 (15). |
| 05-30-2000 | Injured (strained Achilles tendon), out for 3 weeks. |
| 11-19-2000 | Received a 1-year contract worth a total of $5,828,300 through arbitration. |
| 01-01-2001 | SISA scouting updated ratings (potential): Contact: 11 (11); Power: 14 (14); Eye: 16 (18). |
| 06-27-2001 | Was selected to the 2001 Major League Baseball All-Star Game. |
| 07-01-2001 | Injured (dislocated finger), day-to-day for 4 days. |
| 11-20-2001 | Became a free agent. |
| 01-01-2002 | SISA scouting updated ratings (potential): Contact: 10 (11); Power: 14 (16); Eye: 12 (12). |
| 01-01-2002 | Signed a 3-year contract worth a total of $42,520,200 with the Boston Red Sox organization. |
| 01-01-2003 | SISA scouting updated ratings (potential): Contact: 11 (11); Power: 12 (12); Eye: 14 (15). |
| 05-20-2003 | Hits for the CYCLE, going 4-4 against the Oakland Athletics, with 1 RBI and 2 runs scored. |
| 11-06-2003 | Wins the 2003 MLB AL Glove Wizard Award at C. |
| 01-01-2004 | SISA scouting updated ratings (potential): Contact: 11 (11); Power: 13 (13); Eye: 15 (15). |
| 11-24-2004 | Became a free agent. |
| 12-18-2004 | Signed a 3-year contract worth a total of $59,740,800 with the Boston Red Sox organization. |
| 01-01-2005 | SISA scouting updated ratings (potential): Contact: 9 (9); Power: 12 (12); Eye: 12 (12). |
| 11-08-2005 | Wins the 2005 MLB AL Glove Wizard Award at C. |
| 01-01-2006 | SISA scouting updated ratings (potential): Contact: 12 (13); Power: 12 (15); Eye: 11 (11). |
| 06-27-2006 | Was selected to the 2006 Major League Baseball All-Star Game. |
| 09-24-2006 | Hits three home runs against the Minnesota Twins, going 4-4 with 5 RBI and 3 runs scored! |
| 01-01-2007 | SISA scouting updated ratings (potential): Contact: 15 (17); Power: 13 (14); Eye: 12 (12). |
| 11-21-2007 | Became a free agent. |
| 12-28-2007 | Signed a 2-year contract worth a total of $46,817,200 with the Boston Red Sox organization. |
| 01-01-2008 | SISA scouting updated ratings (potential): Contact: 18 (18); Power: 12 (12); Eye: 13 (13). |