Good point but Tyson blew out his knee in round 1.

Foreman was just an arm puncher and used brute power ... he didn't rely on speed and technique like Tyson.

Danny Williams will probably tell you that he was the hardest puncher he ever fought. In fact he does:

Danny Williams: “Because this is a fight I’ve been asking for for years. I’ve been boxing at British level for many years, fighting C class opponents. I’ve always wanted to fight the top Americans. And I had the opportunity against Mike Tyson. And I said I’m going to take it with both hands. In my mind, you had to kill me to beat me. ‘Cause I was going out, I was going to leave everything in the ring.”

BoxingInsider.com: So you’ve been waiting years and years for this chance?

Danny Williams: “Yeah, definitely. You could see it in there. Tyson was really giving it to me for the first three rounds. But I wouldn’t give up, I’m there to win.”

BoxingInsider.com: Were those the hardest punches you ever took?

Danny Williams: “OH EASY, BY FAR! He was really sinking them in. Really, really a powerful guy. It’s amazing a guy of that size, that stature, could throw such powerful punches.”
Danny Williams Analyzes His KO of Tyson