Overview
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
| Actor | Age then | Age now | |
|---|---|---|---|
 | 44 | 51 | |
 | 38 | 45 | |
 | 42 | 49 | |
 | 23 | 30 | |
 | 55 | 62 | |
 | 28 | 34 | |
 | 55 | 62 | |
 | 68 | October 24, 2021 (70) | |
 | 46 | 53 | |
 | 36 | 43 |