Conor McGregor Retires: Was Loss to Mayweather the Cause?

For the second time in three years MMA fighter Conor McGregor retired from the sport. SI Now hosts Robin Lundberg and Amy Campbell assess McGregor's decision and wonder if his loss to Floyd Mayweather was the cause of his early retirement.

For the second time in three years MMA fighter Conor McGregor retired from the sport. SI Now hosts Robin Lundberg and Amy Campbell assess McGregor's decision and wonder if his loss to Floyd Mayweather was the cause of his early retirement.