Andrey Koreshkov vs Gleison Tibau and Sergey Romanov vs Andre Muniz set for June 6

Fight promotion leader Kamil Gadzhiev announced two significant bouts for the BetCity Fight Nights 138 event in Saint Petersburg on June 6. The fights will be part of a welterweight Grand Prix tournament. The main announced matchups are Andrey Koreshkov facing Gleison Tibau and Sergey Romanov taking on Andre Muniz. Both bouts represent significant tests for the fighters involved in the Grand Prix format. The event will take place in Saint Petersburg as part of the ongoing tournament series. Additional details about the full card were not provided in this announcement.