Former Titans RB Chris Johnson Reveals ALS Diagnosis Former NFL running back Chris Johnson has come forward that he was diagnosed with ALS. 1:12 Now Playing Paused Ad Playing Former Titans RB Chris Johnson Reveals ALS Diagnosis Yahoo Sports Mon, Jul 6, 2026 Former NFL running back Chris Johnson has come forward that he was diagnosed with ALS. Former Titans RB Chris Johnson Reveals ALS Diagnosis Former NFL running back Chris Johnson has come forward that he was diagnosed with ALS. 1:12 Now Playing Paused Ad Playing