Leon Marchand POWERS past Van Mathias in 100m breaststroke win at US Open | NBC Sports

Racing in the 100m breaststroke Final B field, Leon Marchand found an extra gear at the 50m split to surge past Van Mathias and clinch another win at the Toyota US Open in Austin, Texas. #NBCSports #Swimming #LeonMarchand » 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 p...