Team USA men cruise to DOMINANT 4x400m relay win, championship record at Indoor Worlds | NBC Sports

Team USA looked unstoppable in the men's 4x400m relay at the World Indoor Championships, cruising to a championship record time 3:01.52, nearly two full seconds better than second-place Belgium. #NBCSports #TrackandField #WorldIndoorChampionships #TeamUSA #Relay » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on Peacock: https://peacocktv.smart.link/v82e9dl56 NBC Sp...