Sydney McLaughlin-Levrone becomes queen of the 400m: what it means for her legacy, LA28 schedule

NBC's Paul Swangard and Ato Boldon recap Sydney McLaughlin-Levrone's championship record performance en route to her 400m world title, where she stacks up in history, and what her schedule might look like at the LA 28 Olympics. Then hear from Sydney after her win, including her reaction to Sanya Richards-Ross seeing her outrageous time #NBCSports #sydneymclaughlinlevrone #trackandfield » Subscribe to NBC Sports: http...