His son, Ken Jr., who is a coach with the NFL's Seattle Seahawks, said Norton passed away Wednesday at a care facility in Las Vegas. He was 70.

Ken Norton lands a left to the face of Muhammed Ali during their heavyweight bout at the Sports Arena in San Diego, California on March 31, 1973. Ali lost to Norton on a split decision.

Former heavyweight champion Ken Norton, who beat Muhammad Ali and later lost a controversial decision to him in Yankee Stadium, died Wednesday at a local care facility. He was 70.

Ken Norton passed away Wednesday from heart failure at the age of 70. Kenneth Howard Norton fought during the 1970s era of superlative heavyweights, a group that included George Foreman, Joe ...

And Ken Norton was Exhibit A, morphing from unknown to renowned in 12 rounds in San Diego. Norton made his bones by beating Muhammad Ali in 1973, cracking the legend's jaw in the process.

Ken Norton Sr. was 29-1, but had no opponents of note and an eighth round knockout loss to Jose Luis Garcia, a fight in which he hit the canvas twice.

Ken Norton Sr., the former hard-bodied heavyweight with the distinctive cross-armed defense who once defeated a prime Muhammad Ali while breaking his jaw, died Wednesday at a hospital in Arizona.

Former heavyweight boxing champion Ken Norton, who beat Muhammad Ali and then lost a controversial decision to him at Yankee Stadium, has died. Updated: 12:39 AM EDT Sep 19, 2013 ...