Former Chicago Bears quarterback Jim McMahon is suffering from early-stage dementia, and he says if he could do it over, he wouldn't play football.

The 53-year-old McMahon says he knows where he's going when in an airport. But when he meets people, "I'm asking two minutes later who was that?"

McMahon also says when he gets voice messages from friends, he forgets who called after deleting the message.

McMahon led the Bears to the 1986 Super Bowl victory over New England. He is now among dozens of retired players suing the NFL for concussion-related dementia and brain trauma.

Knowing now the effects of the punishment he received in his 14-year NFL career, McMahon said he'd play baseball instead.