Michael Phelps said the disruption caused by the COVID-19 pandemic means it is unlikely any swimming world records will fall when the postponed Olympic Games are held in Tokyo next year.
Phelps, 35, won a record 23 gold medals over four Olympic Games and is widely considered to be the greatest swimmer of all time.
Phelps believes most swimmers are putting in the necessary work but that they are at a big disadvantage given limitations on training and the one-year delay to the games.
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