Caeleb Dressel goes sub-50 in 100 fly for Olympic record
![Dressel breaks Olympic record in 100m butterfly](https://ktvz.b-cdn.net/2021/07/oly20_swm100bu_2245_dresselsemi_hlf_210729_1920x1080-1440x810.jpg)
NBC Olympics
In the second semifinal, the U.S.’ swimming gold medalist Caeleb Dressel breaks the 100m butterfly Olympic record that was just set by Hungary’s Kristof Milak. Dressel touches down in 49.71.