Underdog

The name of this movie is Underdog released in 2019-01-11 and it's main theme is Boris Kos Kosinski Eryk Lubos is a top MMA fighter. In the biggest battle of his life with his greatest rival, Denim Takaev Mamed Khalidov, 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.