Geoff Blum played for what American professional baseball franchise, who play their home games at Chase Field?
Geoff Blum:  During his major-league career, he played for the Montreal Expos, Houston Astros, Tampa Bay Devil Rays, San Diego Padres, Chicago White Sox and Arizona Diamondbacks. Arizona Diamondbacks: The Arizona Diamondbacks, often shortened as the D-backs, are an American professional baseball franchise based in Phoenix, Arizona. Arizona Diamondbacks:  Since the team's inception in 1998, the franchise has played home games at Chase Field, formerly known as Bank One Ballpark.
Arizona Diamondbacks