Watch Casualties of the Gridiron

We check in with former NFL player Ray Lucas and director of P.A.S.T. player services Jennifer Smith to find out what's changed since season one of "Casualties of the Gridiron"-and how Will Smith's new film, "Concussion," can help bring awareness to football players suffering from devastating brain injuries.

Green Bay Packer legend Jerry Kramer meets with Jennifer Smith to talk about how treatment of former NFL players has progressed in the years since the two of them founded the charity Gridiron Greats to address medical issues facing retired players.

On the eve of Super Bowl XLVIII, Ray Lucas sits down with Wisconsin Sports Radio to talk about post-concussion issues affecting NFL players and the importance of information resources. He also explains how P.A.S.T. intervened in his own downward health spiral to bring him back from the edge.

After years of addiction to methamphetamine, former NFL player Terry Tautolo gets the treatment he needs to turn his life around with help from P.A.S.T., the Sierra Tucson Treatment Center and his former NFL and UCLA coach Dick Vermeil.

Ray Lucas and Leonard Marshall talk with fellow retired football players about their post-concussion CTE symptoms. They identify ways that P.A.S.T. has helped them treat their lingering injuries, and how they hope to help the next generation of players proactively tackle post-career health issues.

Ray Lucas talks about his ongoing struggles with chronic pain and addiction, and how he copes with this daily reality.

Ray Lucas discusses what he thinks the NFL can do to improve the lives of retired football players. From extended medical insurance coverage to a transition program out of the NFL, Lucas describes the support he'd like to see form the organization.

Retired football player Ray Lucas travels to a New Jersey high school to educate student athletes about the dangers of concussions.

Jennifer Smith, P.A.S.T.'s director of player programs explains what motivated her to help retired athletes manage their chronic pain and other sports-related injuries. Over the years, she has worked to improve the conditions of former football players including Jerry Kramer, Willie Wood, Conrad Dobler and John Mackey.

Retired football players Ray Lucas and Christian Okoye speak about their life-changing experiences at P.A.S.T., a resource group that aims to assist former athletes with lingering sports-related injuries.

Despite being honorably discharged from the Army for concussion-related injuries sustained playing football, Gene Merlino and his wife Kelly have decided to let their son play football. The Merlinos discuss that decision and Gene's desire to keep coaching even with his lingering game-related brain injuries.