A Bit of Arizona Diamondbacks History: 1998: January 10: Single game tickets go on sale for Opening Day on March 31 against the Colorado Rockies. All tickets are gone before lunch. February 13: Pitchers and catchers take the field at Kino Veterans Memorial Sportspark in Tucson to inaugurate the Diamondbacks' first major-league spring training. February 27: In the Diamondbacks' first Cactus League exhibition game, Edwin Diaz hits a ninth-inning sacrifice fly that scores Kelly Stinnett with the winning run in a 6-5 victory over the Chicago White Sox at Tucson Electric Park. (source: MLB.com)