Fight:670023

Nava Esparza 142 lbs lost to Jackie Cooper 150 lbs by KO in round 8 of 10

• Date: 1944-10-06
• Location: Coliseum, San Diego, California, USA

"Cooper had Esparza down for nine counts in the 7th, and then threw a knockout hook left hook to Esparza's chin in the 8th.." (United Press)