STAMFORD, Conn. – August 31, 2017 – NBC Sports Group presents live coverage of the IAAF Diamond League tomorrow, Friday, September 1 at 2 p.m. ET on Olympic Channel: Home of Team USA, from King Baudouin Stadium in Brussels, Belgium, to conclude the 2017 season and crown Diamond League champions. Encore coverage of the event will air Friday at 7 p.m. ET on NBCSN and Sunday, September 3, at 1 p.m. ET on NBC.