Get the official weigh-in results for Fight Night Boise: Dos Santos vs Ivanov, happening live from Boise, Idaho on Saturday July 14, 2018 on FS1 at 10pm/7pm ETPT. Four prelim bouts will also air on FS1, beginning at 8pm/5pm ETPT. Three special FIGHT PASS early prelim bouts will air beginning 6:30pm/3:30pm ETPT