Caeleb Dressel
Dressel, who took a mysterious break from the sport, declined interviews after his dismal performance.
The Olympic swimmer's canine pal showed impressive prowess in the pool.
Performers "Uncle Rick" and "Aunt Ruth" are making their own splash.
Get the tissues ready.
WHAT'S HAPPENING
The American swimmers burned up the pool with the third-fastest time ever, but Dressel had something else on his to-do list.
American Caeleb Dressel toppled Phelps' 100-meter butterfly mark, leaving the swimming legend holding onto one last world record.