Offseason
- February 7, 1997: Mark Davis was signed as a Free Agent with the Arizona Diamondbacks.
- August 14, 1997: Mark Davis was sent to the Milwaukee Brewers by the Arizona Diamondbacks as part of a conditional deal.
- November 17, 1997: Jay Bell signed as a Free Agent with the Arizona Diamondbacks.
- November 18, 1997: Devon White was traded by the Florida Marlins to the Arizona Diamondbacks for Jesus Martinez (minors).
- November 18, 1997: Travis Fryman was traded by the Detroit Tigers to the Arizona Diamondbacks for Gabe Alvarez, Joe Randa, and Matt Drews (minors).
- December 1, 1997: Matt Williams was traded by the Cleveland Indians to the Arizona Diamondbacks for Travis Fryman, Tom Martin, and cash.
- January 8, 1998: Andy Stankiewicz signed as a Free Agent with the Arizona Diamondbacks.
- January 11, 1998: Mark Davis was signed as a Free Agent with the Arizona Diamondbacks.
Read more about this topic: 1998 Arizona Diamondbacks Season