The team, who went 93-66 a year ago, winning the National League's Wild Card game, is offering a 50 percent off, one-day special on Friday for Tucson-based fans.
Interested fans can snag their tickets at dbacks.com/spring, with the special running from 9 a.m. to midnight. General sale for all 17 of the team's Spring Training games go on sale on Saturday.
Enter the promotional code 18CACTUS in conjunction with a Pima County zip code when purchasing the tickets to receive the discount.
The Diamondbacks kick off Cactus League play on Feb. 23 against the Colorado Rockies, and host the Cleveland Indians the next day in its Spring Training home opener at Salt River Fields at Talking Stick in Scottsdale.
