PHOENIX — Michael Phelps has been open about his mental health struggles. 

Now, the retired swimming great worries that some athletes may have trouble coping with this unprecedented postponement of the Tokyo Games because of the coronavirus outbreak.

Phelps gave reluctant praise to the International Olympic Committee for putting off the games until 2021 while the world deals with the pandemic. 

He just wonders why it took so long. 

Phelps also worries about the world-class athletes who must deal with another jarring change to their preparations. 

Already, they were having to process cutbacks in training and a lack of human contact.

RELATED: Tokyo Summer Olympics officially postponed to 2021 by IOC

Tokyo Olympics Postponed Phelps
FILE - In this Jan. 6, 2020, file photo, Michael Phelps speaks during a Panasonic news conference before the CES tech show in Las Vegas. With the Tokyo Games on hold because of the coronavirus, the retired swimming great worries that some athletes may have trouble coping with this unprecedented postponement. “It's a total bamboozle,” Phelps told The Associated Press on Tuesday., March 24 “There's such a wave of emotions. I can't imagine what these athletes are going through right now.” (AP Photo/John Locher, File)
AP