Offseason
- December 7, 1999: Doug Linton was released by the Baltimore Orioles.
- December 10, 1999: Jesse Orosco was traded by the Baltimore Orioles to the New York Mets for Chuck McElroy.
- December 22, 1999: Buddy Groom was signed as a free agent with the Baltimore Orioles.
Read more about this topic: 2000 Baltimore Orioles Season