Richard Kaufman, Raymond Burns and Matt Adams look back on an enthralling Day 1 at Royal Birkdale where the Americans lead the way courtesy of Jordan Spieth, Brooks Koepka and Matt Kuchar. We hear from all three as well as from two of the chasing pack, Paul Casey and Ian Poulter and defending champion Henrik Stenson. Rory McIlroy also gives his reaction to an up and down round.