An interesting press conference from Ohashi gym in Japan announced Inoue Vs Narvaez and Inoue vs Narvaez with Naoya fighting Omar Andres and Takuma fighting Daniel Nestor.

Can anyone recall a card where 2 brothers took on 2 other brothers?

Source and information on the show below:
The Inoue brothers battle the Narvaez brothers on December 30th in Tokyo! - Asian Boxing