Pettis Norman, the former Dallas Cowboys tight end who advocated for civil rights during the 1960s, has died. He was 86. Pettis’ death was announced by the Cowboys on Monday night. No cause of death was shared.

The Cowboys soon started assigning rooms based on names. “I tried to do whatever I could do help change the kinds of things that society had operated under for such a long time,” Norman said. After playing in Dallas’ 16-13 loss to the Baltimore Colts in Super Bowl 5 in the 1970 season,