Regan Smith wins gritty 100m backstroke final over Kaylee McKeown at Swimming World Cup | NBC Sports

World record holder Regan Smith wouldn't be denied in Carmel, winning the head-to-head battle with Kaylee McKeown in the 100m backstroke at the Swimming World Cup. #NBCSports #Swimming #ReganSmith » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub_confirmation=1 » Watch Live Sports on Peacock: https://peacocktv.smart.link/v82e9dl56 NBC Sports Group serves sports fans 24/7 with premier live events, insig...