64-Year-Old Man Calls Out Conor McGregor In 'Muscle Ups' Challenge, McGregor Responds

June 13, 2017

Conor McGregor talks a lot of trash when it comes to his sport, but outside of the ring McGregor is a class act. Recently, a 64-year-old man called him out for his "muscle ups" exercise, and demonstrated the proper way to do them. This is how Conor responded.