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.

The Complete Timeline Since Conor McGregor's Last Fight - The Ringer

Conor McGregor shows off insane seven-year body transformation as UFC star bulks up ahead of next fight

Conor McGregor - News - IMDb

As an MMA fan, would you rather see McGregor remain at welterweight and fight Masvidal, or drop to lightweight for a rematch with Khabib? - Quora

Conor McGregor - News - IMDb

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

Conor McGregor launches into Twitter tirade against Joe Rogan and digs out Khabib again - Daily Star

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

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

Conor McGregor - News - IMDb

Conor McGregor Bulks Up to 190 Pounds While Recovering From Leg Injury

Carl Froch predicts he would beat Conor McGregor in MMA fight

Conor McGregor details daily diet after bulking up to 190lb for UFC return - Mirror Online

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