Conor McGregor will take on Dustin Poirier at UFC 257 in the lightweight division on Saturday, matching the 155lb limit - but he has fought at several different weights in his career.
The Notorious will return to the Octagon for the first time in a year, when he beat Donald Cerrone in just 40 seconds.It marks a rematch between the 32-year-old and the American after a six-year wait - but they are fighting for the first time in the lightweight category, one class above their previous featherweight bout.McGregor has fought in three weight divisions, the third being the heavier welterweight class, over his famous UFC career.And it has seen the Irishman make some huge changes to his body over that time.The Notorious started his MMA career in.
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