An increasingly bitter grudge is a huge fight for Mexico as Canelo Alvarez and Julio Cesar Chavez Jr meet in what will surely be a ferocious war. They box for no title, but a great deal of personal pride, at an 164 1/2lbs catchweight at the T-Mobile Arena in Las Vegas.
12 three minute rounds.
In the USA this is an HBO pay-per-view event. Their programming begins 9pm ET/6pm PT. BoxNation screen the fight in the UK, broadcasting at 2am in Britain.
There are appealing fight on the undercard. Canadian power puncher David Lemieux is looking to work his way back to world title contention. But first he must get past Marcos Reyes.
Destructive Argentine Lucas Matthysse makes his comeback on the undercard. He has to put his punishing loss to Vikot Postol behind him as he takes on Emanuel Taylor, a 20-4 26-year-old from Maryland.
Joseph Diaz seeks to propel himself up the featherweight rankings, boxing Manuel Avila.
Olympic bronze medallist Marlen Esparza is on the bill, Rio 2016 Mexican Olympian Raul Curiel makes his pro debut and Ronny Rios will also in action.