Matt Centrowitz more confident than ever heading into World Championships

After winning the USATF Outdoor 1500m title in 3:37, Matt Centrowitz talks about the fire he felt heading into this year's championships given the recent doping allegations surrounding his coach Alberto Salazar. Centrowitz addresses the media's questions on how the news has affected him heading into the meet and his relationship with Salazar. With his ticket punched to Beijing, Centrowitz says he feels more confident than ever that he will take home a World Championship medal in August.