Underdog
Boris "Kos" Kosinski is a top MMA fighter. In the biggest battle of his life with his greatest rival, Denim Takaev, he makes a mistake that destroys his entire career. He loses everything. This failure brings him through a series of ups and downs, but it also pushes him to undertake a titanic effort to fight and win back respect and love
Cast
Eryk Lubos
Borys 'Kosa' Kosiński
Mamed Khalidov
Deni Takev
Aleksandra Popławska
Nina Bogucka
Emma Giegżno
Sonia Bogucka
Janusz Chabior
Trener "Kosy"
Tomasz Włosok
Tomek
Jarosław Boberek
Dziedzic
Krzysztof Kiersznowski
Cieślak
Mariusz Drężek
Puszkin
Bartosz Obuchowicz
Mądrala
