Here are the boxers' weights for Top Rank's ESPN show in Las Vegas on Saturday (coverage of two main bouts is on ESPN at 10 p.m. ET / 7 p.m. PT):
WBC Super Featherweight Championship — 12 Rounds
Miguel Berchelt 130 pounds -vs.- Oscar Valdez 130;
Junior Lightweights — 10 Rounds
Gabriel Flores Jr. 132 -vs.- Jayson Velez 132;
Undercard, ESPN+, 6:30 p.m. ET / 3:30 p.m. PT)"
Esquiva Falcao 162 -vs.- Artur Akavov 161.5 (ten rounds)
Elvis Rodriguez 143 -vs.- Luis Alberto Veron 142 (eight rounds);
Xander Zayas 146 -vs.- James Martin 146 (six rounds);
Sonny Conto 221.5 -vs.- Waldo Cortes 255.5 (four rounds);
Javier Martinez 161 -vs.- Billy Wagner 160 (four rounds); and
Omar Rosario 140 -vs.- Uriel Villanueva 141 (four rounds).