Henry Armstrong Beats Baby Arizmendi This Day January 10, 1939 And Retains The Crown
- Henry Armstrong 134½ lbs
- Baby Arizmendi 136 lbs
- PTS in round 10 of 10
- Location: Olympic Auditorium, Los Angeles, California, USA
- Referee: George Blake
According to the Los Angeles Times, Arizmendi only won one round, and had an even break in maybe three. As with their previous encounters, Arizmendi fought head-to-head with Armstrong the whole fight, with Arizmendi getting the worst of it. Arizmendi was cut over both eyes at the finish.