Lou Gehrig announced he had ALS on July 4, 1939, emphasis on ’39.

Notice that Chris Johnson is age 39, and played for Arizona and New York (Arizona=39, New York=39).

This news breaks 39 weeks and 6 days into his age.

The Super Bowl was on the 39th day of the year.

Today is 141 days later (Lou Gehrig=141).

https://www.espn.com/nfl/story/_/id/49214999/former-nfl-rb-chris-johnson-discusses-als-diagnosis