Sources -- Curtis Blaydes tests positive for COVID-19, fight vs. Derrick Lewis called off ESPNDerrick Lewis: The best of the worst Bloody ElbowCurtis Blaydes: If Derrick Lewis wants to stand up, I'll 'allow' it | UFC Fight Camp | ESPN MMA ESPN MMACurtis Blaydes tests positive for COVID-19, UFC on ESPN 18 main event scrapped MMA JunkieCurtis Blaydes vs.