4/8/2018, From the management: We have moved the Bullpen over to a new temporary server and a new permanent type of setup. It's a bit much to explain here, but I think it's working. Please let me know on User_talk:Admin if you see any issues. Thank you as always for your support.
- Josh Pahigian: Spring Training Handbook: A Comprehensive Guide to the Ballparks of the Grapefruit and Cactus Leagues, McFarland, Jefferson, NC, 2013 (originally published in 2005). ISBN 978-0-7864-7195-9
- Tracy Ringolsby: "Cactus League's success a story of perseverance: Rockies' decision to train in Tucson in 1993 helped make Arizona hot again for MLB teams", mlb.com, February 15, 2017. 
- Charlie Vascellaro: "Arizona an early outpost of integration in MLB: Cactus League Hall of Fame inducts four pioneering African-American players", mlb.com February 22, 2017.