Floyd Mayweather said that he decided not to punch McGregor so much to save him from brain damage. He said that McGregor is young and growing in boxing career. Mayweather revealed that brain damage is common to retired boxers. But he doesn’t want McGregor to be among that group. He made reference to his retired uncle who was a boxer but now is suffering from brain damage due to heavy punches he received during his  active years. Read more here—-