Muhammad Ali Beats Ken Norton This Day September 10, 1973 and wins NABF crown
- Muhammad Ali 212 lbs
- Ken Norton 205 lbs
- SD in round 12 of 12
- Location: Forum, Inglewood, California, USA
- Referee: Dick Young 7-5
- Judge: John Thomas 6-5
- Judge: George Latka 5-6
- NABF Heavyweight Title (1st defense by Norton)
Ali was a 12 to 5 favorite.
Norton was the #1 ranked contender and Ali was ranked #2.
Ali was guaranteed $275,000 against 35% of all income from the fight, which was shown on closed circuit TV to 255 locations in the United States, Canada, and Great Britain. Norton was guaranteed $200,000 against 30%.
The gate was $548,400 with a paid attendance of 12,100.