Liam Payne is making his way across the US on a radio promo tour and stopped by American Radio Presenter Toby Knapp's iHeartRadio/Hot 99-5 Studio to talk about sport, fatherhood, changing diapers, his first father's day, his music, One Direction, his fans and more in this insane chat which followed an in-studio American Football game... No really. This chat happened before Liam's Southwest Soundstage performance... check it out!