FNC 11 took place on May 28, 2023, at the Arena Zagreb in Zagreb, Croatia. In the main event, local star Ivan Erslan delivered a dominant performance, defeating Brazilian veteran Dirlei Broenstrup via first-round TKO in just under two minutes. This landmark event, titled "Fight for Legacy," was the promotion's first show in the capital's largest indoor arena and featured a stacked card, including Jordan Barton capturing the featherweight title and Đani Barbir successfully defending his middleweight belt.

FNC 11: Ivan Erslan vs. Dirlei Broenstrup

Fight Card

Ivan Erslan

Dirlei Broenstrup

Daniel Bazant

Jordan Barton

Đani Barbir

Arkadiusz Maziakowski

Filip Pejic

Rony Mariano Bezerra

Marko Bojkovic

Mauro Paixao

Matej Batinic

Aleksandr Pysanko

Ivica Truscek

Marko Kisic

Andi Vrtacic

Robin Roos

Stanislav Krofak

Marin Mikulic