Joe Louis vs. Nathan Mann
1938-02-23 : Joe Louis 200 lbs beat Nathan Mann 193½ lbs by KO at 1:56 in round 3 of 15
- Location: Madison Square Garden, New York, New York, USA
- Referee: Arthur Donovan
- World Heavyweight Championship (2nd defense by Louis)
- Attendance was 19,490.
- The gate was $111,698.49.
- Mann was floored four times.
- The United Press reported: "Louis could not have been any more effective if he had carried an axe in one hand and a black-jack in the other."