Bromell 4th, De Grasse wins, Aussie upsets in 100m prelims
![Bromell 4th](https://ktvz.b-cdn.net/2021/07/OLY20_ATM100_PRE_2423_HEATS257_HLF_210731_FINAL-1440x810.jpg)
NBC Olympics
In the men’s 100m first round, American Trayvon Bromell finished a shocking fourth in heat two, Canada’s Andre De Grasse thundered back to take heat five and Rohan Browning of Australia surprisingly won heat seven.