Lightweight Gabriel Flores Jr (24-2, 8 KOs) returns tomorrow night in Stockton, Calif. against Dennis Contreras (24-14-1, 22 KOs) in an eight-round main event, streamed live on BLK Prime. Weigh-in results:. Gabriel Flores Jr 135 vs. Dennis Contreras 136.6. Dominique Francis 130.8 vs. Julio Carrera 130.8. Andrew Rodriguez 114 vs….