That means all eyes will be on Liverpool's Echo Arena, where the Khan vs Lo Greco fight is set to take place.
"King Khan" ended an absence of nearly two years with a swift stoppage of Lo Greco, with Brook watching from ringside, and the long-term foes were brought together in the post-fight interview.
Amir Khan delivered an emphatic statement of intent by knocking out Phil Lo Greco after just 40 seconds.
His brash Canadian opponent had no answer to Khan's lightning start and a blazing right hand sent Lo Greco crumpling to the canvas. "I remember the days when I used to fight in America all the time because in Britain, boxing wasn´t as big as what we wanted it to be".
Outside of heavyweight fights featuring Anthony Joshua, Khan-Brook is perhaps the biggest fight in British boxing.
It's an action-packed night at the Liverpool Echo Arena, with no less than 10 fights set to feature in the build-up to Khan vs Lo Greco.
Amir Khan hasn't fought since 2016 when he stepped up to fight Canelo Alvarez for the middleweight title, only to get knocked out in the sixth round. Have your say by leaving a comment below. "I'm 31 now, the peak years of my career, and I've made my mistakes and they're in the past, I don't want to make them again, so we move forward now and make the right choices". "I honestly believe your best years are done, I think your best years were in 2010, 2011, 2012, 2013, and it´s going to show on Saturday night". I've changed my trainer, I had to make changes.
Lo Greco is a high work rate fighter, he uses pressure and tries to get in close but he will get lit up by Khans blazing handspeed. I came here to do a job, do a clinical job and box well. The Bolton fighter, known for his lightning quick hand speed, set about Lo Greco from the bell and an early knockdown was a sign of things to come.
"I think that's a good fight for me at that weight".
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