Conor McGregor is pretty confident in his abilities to go up against Floyd Mayweather in the boxing ring, but real boxers are saying he couldn’t hang with any of them.

TMZ Sports caught up with “Sugar” Shane Mosley who says he’d whoop the UFC star easily in the boxing ring.

Mosley says in MMA he would definitely lose and is too smart to put himself in that situation, but in boxing, McGregor can’t quite cut it there.

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