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.

Conor McGregor Bulked Up to 86kg

UFC's Conor McGregor showcases bulked-up physique during training session with Wonderboy- Republic World

Conor McGregor has agreed to fight UFC legend Donald Cerrone so how likely is the fight?

Conor McGregor's four-word response to haters - Irish Mirror Online

Morning Report: Daniel Cormier: Justin Gaethje's Conor McGregor steroid claims are 'very serious' accusations - MMA Fighting

Conor McGregor's shock six-month body transformation nearly IMPOSSIBLE, say experts after UFC star's incredible bulk-up

Conor McGregor has agreed to fight UFC legend Donald Cerrone so how likely is the fight?

How would you react if there were an announcement that Islam Makhachev will fight Conor McGregor at UFC 295? - Quora

Conor McGregor sends message to UFC opponents ahead of comeback, UFC, Sport