The BKFC returns to the United Kingdom with a loaded fight card that will decisively mark the beginning of a new era. Headlining BKFC 90 are a pair of British sluggers, Connor Tierney (9-2) and Rico Franco (10-3), competing for the interim welterweight title. The 165-pound belt currently belongs to Dustin Pague, who won his first world championship in a thrilling war with Julian Lane in January. Tierney enters his first bare-knuckle title fight off a pair of wins over fellow UK-based fighters Danny Christie and Johnny Graham. Franco, who unsuccessfully challenged then-welterweight champion Austin Trout for the undisputed title in October 2024, is coming off a razor-close decision win over 35-fight bare-knuckle veteran Jimmy Sweeney. However, all eyes will be on the co-main event, where former UFC title challenger Darren Till makes his BKFC debut against Aaron Chalmers.…