(CBS) Former heavyweight champion boxer Mike Tyson was open and honest about his past and battle with sobriety when he stopped by the 670 The Score studio to chat with the McNeil and Spiegel Show on Friday morning.
US boxer and former heavyweight world champion Mike Tyson addresses a press conference in Hong Kong on September 12, 2012. Tyson is in Hong Kong to attend the annual CLSA investor forum. AFP PHOTO / Philippe Lopez (Photo credit should read PHILIPPE LOPEZ/AFP/GettyImages)Mike Tyson. (Philippe Lopez/AFP/Getty Images)