Geoffrey Edward Blum (born April 26, 1973) is an American former professional baseball infielder in Major League Baseball who played for the Montreal Expos, Houston Astros, Tampa Bay Devil Rays, San Diego Padres, Chicago White Sox and Arizona Diamondbacks.

[3][4] He began his professional career when he was selected in the seventh round of the 1994 amateur draft by the Montreal Expos.

[5] During his time with the Expos, he spent the winter of 1995 in the Australian Baseball League with the Hunter Eagles.

[6] On March 12, 2002, after playing in Montreal for three years, he was traded to the Houston Astros in exchange for Chris Truby.

[7] He was then traded after the 2003 season to Tampa Bay Devil Rays in exchange for Brandon Backe.

[8] On April 11, 2008, a monument celebrating the 2005 World Series was unveiled at U.S. Cellular Field in Chicago, featuring bronze statues of five players.

[15] Blum and Kalas have served as broadcast partners for the Astros (under Space City Home Network) since 2017.