Just two of the most famous sport stars in the world hanging out. You can see how big Ronaldo's entourage is by how long McGregor takes to shake hands with them all!
WARNING: Contains gratuitous shots of flexed guns.
McGregor is preparing for his revenge fight with Nate Diaz in UFC 202 and decided to make a surprise appearance on Conan when Diaz was a guest:
Hat Tip to the guys @ entertainment.ie
