Gretchen Walsh made HISTORY in 50m fly 🏊

Gretchen Walsh discusses her historic win in Singapore. #NBCSports #Olympics #shprts » 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, insightful studio shows, and compelling original programming. NBC Sports is an established leader in the sports media...