Former boxing champion Floyd Mayweather hinted at his entry in MMA after sharing a video of himself standing in an MMA cage on social media. In the video, Mayweather can be heard saying, "2018, Floyd 'Money' Mayweather, MMA, what are the odds..." Mayweather retired with a 50-0 record, winning his last bout in 2017 against UFC champion Conor McGregor.