Alex Karras, 77:

Karras played for the Lions from 1958 to 1970 and was suffering from several illnesses, including dementia, over the last two years. He is one of 3,500 NFL players suing the league over its treatment of head injuries.

Following his NFL career, Karras went Hollywood, starring in Mel Brooks’ 1974 classic Blazing Saddles. In addition to other appearances on TV and in film, Karras starred in the ‘80s series Webster.