LAS VEGAS — Floyd Mayweather steps into the ring for what he says is the final time in his Hall of Fame career Saturday night as he looks to tie Rocky Marciano’s career record of 49-0. He will take on former champion Andre Berto (30-3, 23 KOs) on Showtime pay-per-view beginning at 8 p.m. ET. Tune in at approximately 11:15 p.m. ET and follow USA TODAY Sports’ Bob Velin as he provides a live round-by-round update from ringside of the scheduled 12-round welterweight title fight at the MGM Grand Garden Arena.
Live: Mayweather puts unbeaten mark on line
