http://www.ufc.com/fighter/conor-McGregor
http://www.ufc.com/fighter/Nate-Diaz
Hard to argue with the official fighter heights on the UFC website. I would agree that Nate will be bigger and by bigger I mean "weight" wise. But height wise not so much. And Nate will have the 2" reach advantage but according to the website, Connor has a 2" longer leg reach.