Jim Houston, Browns' 'Mr. Dependable,' had CTE

Donna Houston holds up a photograph of her husband, Jim, during his playing years with the Cleveland Browns, Friday, April 3, 2020, in Sagamore Hills, Ohio. Houston's widow would keep notes on her husband's deteriorating condition in a three-ring binder so she would be prepared for the day when he needed full-time care. (AP Photo/Tony Dejak)

Donna Houston holds up a photograph of her husband, Jim, during his playing years with the Cleveland Browns, Friday, April 3, 2020, in Sagamore Hills, Ohio. Houston's widow would keep notes on her husband's deteriorating condition in a three-ring binder so she would be prepared for the day when he needed full-time care. (AP Photo/Tony Dejak)

FILE - In this Aug. 10, 2006, file photo, Jim Houston, smiles as he walks through a reception for players being enshrined into the College Football Hall of Fame, in South Bend, Ind. Houston's widow would keep notes on her husband's deteriorating condition in a three-ring binder so she would be prepared for the day when he needed full-time care. (AP Photo/Joe Raymond, File)

FILE - In this Aug. 10, 1960, file photo, Jim Houston (84) of Ohio State is interviewed by Paul Hornung, sports editor of the Columbus Dispatch, at Soldier Field in Chicago. Houston's widow would keep notes on her husband's deteriorating condition in a three-ring binder so she would be prepared for the day when he needed full-time care. (AP Photo/Edward Kitch, File)

FILE - In this Dec. 26, 1971, file photo, Cleveland Browns linebacker Jim Houston (82) chases after Baltimore Colts wide receiver Ray Perkins during a football game in Cleveland. Houston's widow would keep notes on her husband's deteriorating condition in a three-ring binder so she would be prepared for the day when he needed full-time care. (AP Photo/FIle)