400 meter hurdle rivals Dalilah Muhammad and Sydney McLaughlin team up to help bring Team USA the women's 4x400 meter relay title #NBCSports #DalilahMuhammad #SydneyMcLaughlin » Subscribe to NBC Sports: https://www.youtube.com/nbcsports?sub... » Watch Live Sports on NBCSports.com: http://www.nbcsports.com/live NBC Sports Group serves sports fans 24/7 with premier live events, … [Read more...]