Mitnick said the family hasn't decided whether to donate Karras' brain for study, as other families have done. The family released a statement listing his other ailments as kidney failure, which recently hospitalized him, stomach cancer and heart disease.
Karras later wrote an autobiography, "Even Big Guys Cry," and two other books, "Alex Karras' and "Tuesday Night Football."
In addition to Clark, his wife of 37 years, he is survived by their daughter and his four children from his first marriage to the late Joan Powell.
AP Sports Columnist Tim Dahlberg, AP Pro Football Writer Howard Fendrich and AP Television Writer Frazier Moore contributed to this report.LARRY LAGE,AP Sports Writer