Conor McGregor does 10 year challenge to show how he's bulked up

McGregor's comparison post — which he captioned: '5 world titles later' — shows that he has bulked up significantly since he was 20. The Irishman has also inked his torso with tattoos.

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Conor McGregor Bulked Up to 86kg

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Conor McGregor Bulked Up to 86kg

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