Margo is mentioned twice in the new IRM for Gloria Bugsnax. (Or, well, Margo is once and Margaritoville is once.
1: "Xe occasionally takes promotional photos of businesses run by other blaseball players, such as Eizabeth Guerra’s bakery and Margaritoville. In lieu of payment, xe asks for food."
2: "Bugsnax is close with Margarito Nava, and occasionally helps with the onboarding and training of new recruits."