Michael Phelps Jokingly Challenges Conor McGregor To A Swimming Race

By RantSports Staff

With the Floyd Mayweather Vs. Conor McGregor boxing match now in the books, athletes all over the world are pondering which sport McGregor will attempt to cross over to next.

On Tuesday, U.S. Olympic Swimming legend Michael Phelps decided to challenge McGregor to a race with a hilarious tweet.

Check it out below!

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