Hall of Fame: Pro Football
Mel Blount played 14 years in the NFL, all of them for the Pittsburgh Steelers. Over that time he made five Pro Bowls and won four Super Bowls. After the 1983 season he retired, served as the Director of Player Relations for the NFL for seven years before founding the Mel Blount Youth Home, a shelter for child neglect and abuse in 1990.
Roughly three years after the home opened, they themselves were facing allegations of child abuse, with the Legal Aid Society stating that Blount violated a "consent decree" that required he stay out of disciplinary matters. Apparently the home was using corporal punishment on victims of child abuse.
Go ahead and let that one sit for a second.