Transactions| Date | Transaction | |||
| 1/27/03 | Signed RHP Juan Acevedo to a one-year minor-league contract. | |||
| 1/24/03 | Signed RHP Jon Lieber to a two-year contract with a club option for a third year; designated LHP Randy Keisler for assignment. | |||
| 1/16/03 | Signed C John Flaherty to a one-year minor-league contract and invited him to spring training. | |||
| 1/15/03 | Acquired RHP Antonio Osuna and RHP Delvis Lantigua from the Chicago White Sox in exchange for RHP Orlando Hernandez and cash considerations. | |||
| 1/14/03 | Signed OF Hideki Matsui to a three-year contract. | |||
| 1/3/03 | Signed LHP Matt Beech, C Omar Fuentes, RHP Adrian Hernandez, LHP Corey Lee, LHP Charlie Manning, INF Ryan McGuire, C Dioner Navarro, RHP Christian Parker, C David Parrish, INF David Post and OF Nigel Wilson to one-year minor league contracts and invited them to spring training. | |||
| 1/2/03 | Sold contract of RHP Brandon Knight to the Fukuoka Daiei Hawks of Japans Central League. | |||