This was driving me nuts.
You have to be talking about Eric Washington, Kermit Washington's brother. Kermit had that infamous punch which broke Rudy Tomjanovich's jaw. "His skull was fractured in such a way that Tomjanovich could taste the spinal fluid leaking into his mouth. He later recalled that at the time of the incident, he believed the scoreboard had fallen on him."
I found this archive article about his brother's suicide -
https://www.nytimes.com/1984/05/15/sports/ex-nfl-player-kills-himself.html
Man, Kermit had rough life...