Conor McGregor has competed in three different weight classes throughout his professional MMA career. He has fought in the following weight classes:
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Featherweight (145 lbs): McGregors first UFC bout was in this weight class against Marcus Brimage in 2013. He also fought Chad Mendez for the interim featherweight title at UFC 189, which he won by knockout in the second round.
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Lightweight (155 lbs): McGregor has fought in this weight class several times, including his lightweight debut in November 2016 against Eddie Alvarez, which he won by knockout in the second round. He also fought Khabib Nurmagomedov for the lightweight title at UFC 229, but lost by submission.
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Welterweight (170 lbs): McGregor moved up two weight classes to fight Nate Diaz in a welterweight showdown at UFC 196, which he lost. He later defeated Diaz in a rematch at UFC 202. McGregors last fight was in the welterweight division against Donald Cerrone at UFC 246.
As of October 14, 2023, McGregors weight is 156 lbs (71 kg; 11 st 2 lb) .
