Tyson came out and landed a jab and missed a jab. Norris threw a left that was blocked. The two circled and Norris backed away.
Tyson missed a big right hand at 30 seconds. Tyson was putting on the pressure, but no telling punches were landed in the first minute. Tyson missed another big right hand. Norris continued circling. Norris missed a big right hand and landed a right at mid-round.
Action slowed nearing two minutes. Tyson landed a right to the head and Norris landed a right. Tyson got in another right. After several seconds, they clinched, then clinched again. Norris got in a short left to the head. Tyson hit on the break and was warned.
Tyson landed a short left hook to the jaw after the bell rang and Norris went down. Norris got up and went to his corner. Tyson was penalized two points by referee Richard Steele.
Associated Press score: Tyson's round.