McMahon, the quarterback of the 1985 Bears team that went 18-1 and won Super Bowl 20 46-10, is one of seven former players suing the NFL for not doing enough to protect athletes from head injuries. McMahon, who admits to memory loss, said that during his playing career

Corwin Brown was a player and coach, in both the NCAA and NFL, for 21 years. Earlier this month, he was hospitalized with a self-inflicted gunshot wound following a standoff with police and SWAT personnel. Brown's family released a statement reading, in part, "We believe Corwin is suffering from symptoms similar to those experienced by the late Dave Duerson and were caused by the many notable collisions during Corwin's career in the NFL. For those reasons, Corwin chose to not disclose his symptoms, as he did not want to bring shame to any coach, team, organization, or the NFL. We can no longer remain silent and we believe it is important that his former teams, teammates, coaches, and the NFL to understand the severity of this situation."