Ukraine's Mykhailo Romanchuk competes during the men's 1,500m freestyle at the 14th FINA World Swimming Championships in Hangzhou in eastern China's Zhejiang Province on Sunday, Dec. 16, 2018. Romanchuk won gold. (AP Photo/Ng Han Guan)

Ukraine's Mykhailo Romanchuk celebrates after finishing first during the men's 1,500m freestyle at the 14th FINA World Swimming Championships in Hangzhou in eastern China's Zhejiang Province on Sunday, Dec. 16, 2018. Romanchuk won gold. (AP Photo/Ng Han Guan)

Ukraine's Mykhailo Romanchuk jubilates after finishing first during the men's 1,500m freestyle at the 14th FINA World Swimming Championships in Hangzhou in eastern China's Zhejiang Province on Sunday, Dec. 16, 2018. Romanchuk won gold. (AP Photo/Ng Han Guan)

From left, silver medalist Italy's Gregorio Paltrinieri, gold medalist Ukraine's Mykhailo Romanchuk, and bronze medalist Norway's Henrik Christiansen pose with their medals during ceremonies for the men's 1500m freestyle at the 14th FINA World Swimming Championships in Hangzhou in eastern China's Zhejiang Province on Sunday, Dec. 16, 2018. (AP Photo/Ng Han Guan)

Gold medalist Ukraine's Mykhailo Romanchuk kisses his medal during ceremonies for the men's 1500m freestyle at the 14th FINA World Swimming Championships in Hangzhou in eastern China's Zhejiang Province on Sunday, Dec. 16, 2018. (AP Photo/Ng Han Guan)

Ukraine's Mykhailo Romanchuk celebrates after finishing first during the men's 1,500m freestyle at the 14th FINA World Swimming Championships in Hangzhou in eastern China's Zhejiang Province on Sunday, Dec. 16, 2018. Romanchuk won gold. (AP Photo/Ng Han Guan), APTOPIX

Mykhailo Romanchuk of Ukraine reacts after winning the men's 1,500m freestyle final at the 14th FINA World Swimming Championships in Hangzhou in China's eastern Zhejiang province on December 16, 2018. (Photo by STR / AFP) / China OUT

Mykhailo Romanchuk of Ukraine reacts after winning the men's 1,500m freestyle final at the 14th FINA World Swimming Championships in Hangzhou in China's eastern Zhejiang province on December 16, 2018. (Photo by STR / AFP) / China OUT

Mykhailo Romanchuk of Ukraine reacts after winning the men's 1,500m freestyle final at the 14th FINA World Swimming Championships in Hangzhou in China's eastern Zhejiang province on December 16, 2018. (Photo by STR / AFP) / China OUT

(181216) -- HANGZHOU, Dec. 16, 2018 (Xinhua) -- Mykhailo Romanchuk of Ukraine greets spectators after winning Men s 1500m Freestyle Final at 14th FINA World Swimming Championships (25m) in Hangzhou, east China s Zhejiang Province, on Dec. 16, 2018. Mykhailo Romanchuk claimed the title with 14:09.14. (Xinhua/Weng Xinyang) (SP)CHINA-HANGZHOU-SWIMMING-FINA-WORLD CHAMPIONSHIPS 25M-DAY 6(CN) PUBLICATIONxNOTxINxCHN

(181216) -- HANGZHOU, Dec. 16, 2018 (Xinhua) -- Mykhailo Romanchuk of Ukraine competes during Men s 1500m Freestyle Final at 14th FINA World Swimming Championships (25m) in Hangzhou, east China s Zhejiang Province, on Dec. 16, 2018. Mykhailo Romanchuk claimed the title with 14:09.14. (Xinhua/Weng Xinyang) (SP)CHINA-HANGZHOU-SWIMMING-FINA-WORLD CHAMPIONSHIPS 25M-DAY 6(CN) PUBLICATIONxNOTxINxCHN

(181216) -- HANGZHOU, Dec. 16, 2018 (Xinhua) -- Mykhailo Romanchuk of Ukraine celebrates after winning Men s 1500m Freestyle Final at 14th FINA World Swimming Championships (25m) in Hangzhou, east China s Zhejiang Province, on Dec. 16, 2018. Mykhailo Romanchuk claimed the title with 14:09.14. (Xinhua/Weng Xinyang) (SP)CHINA-HANGZHOU-SWIMMING-FINA-WORLD CHAMPIONSHIPS 25M-DAY 6(CN) PUBLICATIONxNOTxINxCHN

(181216) -- HANGZHOU, Dec. 16, 2018 (Xinhua) -- Mykhailo Romanchuk of Ukraine celebrates after winning Men s 1500m Freestyle Final at 14th FINA World Swimming Championships (25m) in Hangzhou, east China s Zhejiang Province, on Dec. 16, 2018. Mykhailo Romanchuk claimed the title with 14:09.14. (Xinhua/Weng Xinyang) (SP)CHINA-HANGZHOU-SWIMMING-FINA-WORLD CHAMPIONSHIPS 25M-DAY 6(CN) PUBLICATIONxNOTxINxCHN

Charlotte Hornets guard Tony Parker, right, drives past Los Angeles Lakers guard Sviatoslav Mykhailiuk, of Ukraine, in the first half of an NBA basketball game in Charlotte, N.C., Saturday, Dec. 15, 2018. (AP Photo/Nell Redmond)