One I missed earlier: In 1992, the Idaho Falls Braves, who had that nickname since 1986, changed their name to Gems. Apparenly, the rebrand didn't take, since they switched back to Braves in 1993, keeping it until 1999. Weird.
Idaho Falls Gems logo (basically, the Idaho Falls Braves cap logo. Creativity, who needs it? XD )
Thanks again for all the great work!