Within eight years of his professional career, he’s become a champion with numerous victories.

Looking at the bigger picture, he is the first UFC champion from Ireland and fought the fastest knockout, defeating Jason Aldo in just 13 seconds!

Unquestionably, UFC has never witnessed a star like McGregor and he is a huge asset to the sport. He is also known for drawing large amounts of crowds and for several controversies.

Here’s the best of the reaction on social media to The Celtic Tiger’s day of celebration.