Former NFL star Chris Johnson, 40, shares ‘shocking' ALS diagnosis

Former NFL running back Chris Johnson, 40, revealed on Monday that he was diagnosed with ALS last year, disclosing the news in an interview with Good Morning America. Johnson, who played 10 seasons for the Tennessee Titans, New York Jets, and Arizona Cardinals, is now communicating through a speech-generating device. He is best known for his historic 2009 season with the Titans, when he rushed for 2,006 yards and won the NFL Offensive Player of the Year award.