Joining SI's Chris Mannix this week is ESPN broadcaster Bernardo Osuna and former 140-pound champion Regis Prograis. Osuna takes Mannix inside "The Bubble," Top Rank's Las Vegas quarantine, from testing procedures, how people inside spend time to what it's like to be ringside for a closed door fight. Later, Prograise details how his fight with Maurice Hooker fell apart, why he wouldn't go up to 145-pounds, why he is determined to win a title again at 140, what it's been like to see so many positive COVID-19 tests at these early fights, more Learn more about your ad choices. Visit megaphone.fm/adchoices