Former world champion boxer Floyd Mayweather announced he is "coming out of retirement in 2020."
According to CNN, the 42-year-old made the announcement on his Instagram account.
Mayweather also revealed he is working with UFC boss Dana White to "bring the world another spectacular event".
Mayweather, who was undefeated in his career with a record of 50-0, is considered one of boxing's all-time greats.
He came out of retirement in 2017 for his last professional boxing fight against UFC star Conor McGregor.
Mayweather last appeared in the ring during an exhibition match against Japanese kickboxer Tenshin Nasukawa.
Mayweather earned a reported $9 million for beating the Japanese fighter.