Conor McGregor is clearly keen to return to the octagon bigger and better. Quite literally it seems, with the UFC star having bulked up considerably during his current injury lay-off.McGregor, 33, has not fought since his defeat to Dustin Poirier in July, which left him needing surgery to fix a fractured tibia he sustained during the bout.Weightlifting has formed an integral part of his rehabilitation programme, and now a Twitter post showing off the Dubliner's new, bulkier frame has left fans stunned.Pictured leaning on his car while wearing a gilet and a tight top, 'The Notorious' clearly appears to have packed on some upper body muscle, even if not all fans were impressed.'The Notorious' boasts a Twitter following of more than 8.9.
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