Kenneth Gainwell can be valuable flex play after bye | Fantasy Football Happy Hour | NFL on NBC

Kenneth Gainwell had a massive outing for the Pittsburgh Steelers in Week 4, leading to Matthew Berry believing that he can still be a reliable flex play even when starter Jaylen Warren returns from injury. #NFL #NBCSports #FantasyFootballHappyHour #FantasyFootball » Watch SNF on Peacock: https://peacocktv.smart.link/v82e9dl56 » Subscribe to NFL on NBC: https://www.youtube.com/NFLonNBC?sub_confirmation=1 » Get more N...