| Thursday, April 3rd, 2003 |
| Seattle Mariners: Signed 2B B. Boone to a 4-year contract extension worth a total of $51,000,000. |
| St. Louis Cardinals: Signed MR P. Borbon to a 1-year contract extension worth a total of $360,000. |
| Kansas City Royals: Signed free agent 3B V. Castilla to a 1-year contract worth a total of $327,240. |
| Kansas City Royals: Placed 3B V. Castilla on the active roster. |
| Minnesota Twins: Signed CL L. Hawkins to a 3-year contract extension worth a total of $15,600,000. |
| Baltimore Orioles: Placed MR B. Groom on the 15-day disabled list. |
| Baltimore Orioles: Placed MR J. Julio on the active roster. |
| Boston Red Sox: Placed SS N. Garciaparra on the 15-day disabled list. |
| Boston Red Sox: Placed 2B D. Jackson on the active roster. |
| Detroit Tigers: Placed SP W. Ledezma on the 15-day disabled list. |
| Detroit Tigers: Placed MR A. Bernero on the active roster. |
| Oakland Athletics: Placed 1B S. Hatteberg on the 15-day disabled list. |
| Oakland Athletics: Placed 2B E. German on the active roster. |
| Atlanta Braves: Placed CF R. Rivera on the active roster. |
| Texas Rangers: Placed 1B E. Karros on the active roster. |
| Baltimore Orioles: Signed general manager M. Ort�z to a 3-year, $450,000 per year contract. |
| Wednesday, April 2nd, 2003 |
| Texas Rangers: Signed free agent 2B D. Hocking to a 1-year contract worth a total of $327,240. |
| Texas Rangers: Placed 2B D. Hocking on the active roster. |
| New York Yankees: Placed SP R. Clemens on the 15-day disabled list. |
| New York Yankees: Placed MR J. Acevedo on the active roster. |
| Tampa Bay Devil Rays: Placed MR M. Venafro on the 60-day disabled list. |
| Tampa Bay Devil Rays: Placed MR A. Levine on the active roster. |
| Toronto Blue Jays: Placed CF V. Wells on the 15-day disabled list. |
| Toronto Blue Jays: Placed MR P. Walker on the active roster. |
| Cleveland Indians: Placed C T. Laker on the active roster. |
| Baltimore Orioles: Placed C J. Bard on the active roster. |
| Baltimore Orioles: Placed SS J. Morban on the active roster. |
| The Cleveland Indians traded 25-year old catcher J. Bard to the Baltimore Orioles, getting 25-year old shortstop B. Roberts in return. |
| Texas Rangers: Placed 3B D. Sadler on the active roster. |
| Boston Red Sox: Placed C B. Haselman on the active roster. |
| Boston Red Sox: Placed 3B M. Lamb on the active roster. |
| The Texas Rangers traded 27-year old third baseman M. Lamb to the Boston Red Sox, getting 30-year old catcher J. Varitek in return. |
| San Francisco Giants: Placed C A. Castillo on the active roster. |
| Milwaukee Brewers: Placed C B. Santiago on the active roster. |
| Milwaukee Brewers: Placed RF B. Clark on the active roster. |
| The San Francisco Giants traded 38-year old catcher B. Santiago to the Milwaukee Brewers, getting 26-year old center fielder A. Sanchez in return. |
| Cincinnati Reds: Placed SS R. Olmedo on the active roster. |
| Chicago Cubs: Placed MR M. Guthrie on the active roster. |
| Chicago Cubs: Placed SS B. Larkin on the active roster. |
| The Cincinnati Reds traded 38-year old shortstop B. Larkin and 22-year old reliever M. Belisle to the Chicago Cubs, getting 26-year old reliever K. Farnsworth and $1,211,648 in cash in return. |
| Anaheim Angels: Placed LF E. Owens on the active roster. |
| Detroit Tigers: Placed CF D. Erstad on the active roster. |
| The Anaheim Angels traded 28-year old center fielder D. Erstad to the Detroit Tigers, getting 25-year old starting pitcher M. Maroth in return. |