1941-06-16 : Beau Jack 135 lbs beat George Zengaras 135 lbs by UD in round 8 of 8
- Location: Valley Arena, Holyoke, Massachusetts, USA
Zengaras kept Jack at bay in the opening three rounds with his left hand, as he circled away. Jack caught up with Zengaras in rounds four through seven, to build up a large lead. Realizing he was behind, Zengaras came out throwing punches in the last round, as a tired Jack held on.
Source: Springfield Republican