Many Dallas Cowboys fans were stunned to learn that team owner Jerry Jones quietly battled stage 4 melanoma for a decade. The revelation was first hinted in the upcoming Netflix documentary America’s Team: The Gambler and His Cowboys.

Jerry Jones revealed his cancer survival story ahead of the new Netflix documentary about his purchase of the Dallas Cowboys and their 1990s dynasty.

Dallas Cowboys owner Jerry Jones revealed this week that he was diagnosed with Stage 4 melanoma in June 2010 and underwent four surgeries, two on his lungs and two on lymph nodes, over the following decade, according to the organization.