Dressel set the American record in the 100 free just last month with a 41.07 .
Bilis will have his hands full in finals as Florida 's Caeleb Dressel cruised to the second seed in 41.73 .
Caeleb Dressel set the American record in the 100 free just last month with a 41.07 .
Bilis will have his hands full in finals as Florida 's Caeleb Dressel cruised to the second seed in 41.73 .