Alan Massengale reports from the final stop of the Floyd Mayweather-Canelo Alvarez press tour in Los Angeles, where more than 10,000 fans gathered to greet the participants of the Sept. 14 “mega event.” The special RingTV feature includes comments from Oscar De La Hoya, Showtime’s Stephen Espinoza, Alvarez, Mayweather and Golden Boy CEO Richard Schaefer.