“Some like to express them in action. I’ve always done that by swimming, and that’s how I’ll continue to do it.” Clary questioned the 14-time Olympic gold medallist’s work ethic, saying he saw a “real lack of preparation” from Phelps when they trained together at the University of Michigan four years ago.

Phelps’ coach Bob Bowman

But Clary’s comments appeared to have stung Bowman. He said all of that would have counted for nothing if not for the work Phelps put in. “We trained every day for six years leading up to the Athens Olympic Games — every day,” Bowman said.

“And he worked as hard as anyone possibly could during that time. I want to be very clear on that.”