The 59-year-old icon insists his comeback is serious and competitive.
He aims to compete at a high level following his upcoming exhibition bout with the former heavyweight champion.

Undefeated boxing legend Floyd Mayweather Jr. has confirmed his return to the professional sport, explicitly rejecting the idea of a casual exhibition against Mike Tyson.
The 59-year-old icon insists his comeback is serious and competitive.
He aims to compete at a high level following his upcoming exhibition bout with the former heavyweight champion.