FILE - United States' head coach Dejan Udovicic yells at his players after a loss to Hungary in a preliminary round men's water polo match at the 2020 Summer Olympics, July 31, 2021, in Tokyo, Japan. Udovicic, 51, was hired in 2013 after coaching Serbia to bronze at the London Olympics. The U.S. stumbled in Rio, going 2-3 and finishing 10th, but it showed signs of growth in Tokyo. (AP Photo/Mark Humphrey, File)

FILE - United States head coach Adam Krikorian, right, directs players during a quarterfinal round win over Canada in a women's water polo match at the 2020 Summer Olympics, Aug. 3, 2021, in Tokyo, Japan. Right after the Summer Olympics, Krikorian was done. Worn down by coaching the U.S. women's water polo team through a pandemic, he thought it might be time to try something new. (AP Photo/Mark Humphrey, File)