Here are the boxers' weights for Top Rank's ESPN show from Las Vegas on Sunday:
Undisputed world junior featherweight championship - 12 rounds
Naoya Inoue 121.9 pounds vs. Ramon Cardenas 121.8
Referee: Thomas Taylor; Judges: Max De Luca, David Sutherland and Steve Weisfeld
WBO featherweight title — 12 rounds
Rafael Espinoza 125.4 vs. Edward Vazquez 125.6
Referee: Harvey Dock; Judges: Tim Cheatham, Eric Cheek and Patricia Morse Jarman
Undercard on ESPN+:
Rohan Polanco 146.2 vs. Fabian Maidana 146 (ten rounds);
Emiliano Fernando Vargas 138.7 vs. Juan Leon 139.9 (eight rounds);
Mikito Nakano 125.9 vs. Pedro Marquez 126 (ten rounds);
Art Barrera Jr. 152.7 vs. Juan Carlos Guerra Jr. 153.7 (six rounds);
Raeese Aleem 125.6 vs. Rudy Garcia 125.3 (ten rounds); and
Patrick O'Connor 196.1 vs. Marcus Smith 188 (four rounds).