Mayweather again teases MMA bout as McGregor rumours continue to circle

Will 2018 see Floyd Mayweather Jr swap the boxing ring for the octagon? The American has strongly hinted at that possibility on Instagram.

Floyd Mayweather Jr has once again teased the possibility of an MMA contest with long-time rival Conor McGregor via an online video.

Last year, unbeaten boxing legend Mayweather silenced his outspoken rival with a 10th-round stoppage in a Las Vegas superfight.

But the opportunity for UFC star McGregor to gain a measure of revenge in the more familiar surroundings of the octagon is a prospect that appears to have grown in likelihood in recent weeks.

Mayweather last month rejected the idea he could accept an MMA fight, but earlier this week posted a video of himself training in the octagon.

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And the 40-year-old American has now put out a fresh video, seemingly in conjunction with betting firm Paddy Power, on Instagram in which he says: "2018 Floyd 'Money' Mayweather, MMA what are the odds, Paddy? What are the odds?"

Accompanying the post was a caption, seemingly aimed at McGregor, which read: "Come at the king, you best not miss…"