Karolina Pliskova and Sam Querrey stop by Cheddar after ringing the NYSE opening bell to discuss how they're gearing up to take the court at the U.S. Open. How do they feel about being two of the top tennis players in the world right now? They talk about pressure to perform on the court and why they won't be attending the draw on Friday at noon. Plus, how does technology impact the way tennis is played? Pliskova and Querrey talk about how automatic scoring and sensors have improved the play of the game.