I really miss the Brawlers guild, even in BFA they improved it with a minor storyline involved, it is currently MIA from Shadowlands with no news of enabling it again, i hope
Your Brawler's Guild Invitation Is on Its Way - MMO-Champion
Patch 7.1.5 Preview: The Return of the Brawler's Guild - WoW : r/wow
Brawler's Guild - New BFA 8.1.5 Encounters and Strategies - Wowhead News