Jeff Horn's weight drop could set up Tim Tszyu or world title bouts

Jeff Horn's imminent shift to super welterweight (junior/light middleweight) will open the door for a domestic showdown with Australian boxing royalty in Tim Tszyu in 2020.

But Horn's preference is to push for a world championship fight at 69.85 kilograms which could lead him overseas before he meets the son of the legendary Kostya Tszyu.

The 31-year-old (20-2-1) defied the odds to exact revenge on Michael Zerafa (27-4) in their middleweight rematch in Brisbane on Wednesday night - and it looms as Horn's final outing in the division.

Horn entered the bout as a rank outsider with doubts hovering over his future in the sport, and flipped the script while on the verge of being stopped to drop Zerafa twice in the ninth round before claiming a majority decision win.

Now the former world welterweight champion will plot his next move alongside trainer Glenn Rushton, D&L Events promoter Dean Lonergan and matchmaker Stu Duncan.

A Horn-Tszyu fight would be the biggest fight in Australian boxing. Many believe the sooner the better for Horn, should Tszyu (15-0) continue on his projected path.

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"Tim Tszyu is a big name in Australian boxing now and all thanks to his father as well. He is obviously having a massive career at the moment," Horn said.

"He has had some impressive wins, he fought a great guy from our gym in Joel Camilleri and had an impressive win with him, and Dwight Ritchie as well who has sadly passed away.

"He is a talent coming through, he is showing his explosiveness, and he is a possible fight in the future. I'll just leave that to Dean.

"I'm just going to have a nice Christmas and New Years now, have a good break and he'll be coming to me with some options."

Zerafa was quick to call for a trilogy fight in the wake of his loss to Horn, but it seems unlikely in the short-term at least.

Should Horn's camp instead opt to pursue a world championship fight in a new weight class which Rushton dubs "the sweet spot", it could well lead him back into enemy territory.

Perhaps the greatest challenge Lonergan faces is turning the division's kings - Tony Harrison (WBC), Patrick Teixeira (WBO), and Julian Williams (IBF and WBA) - into household names down under.

"From the promoter point of view, we are never fighting at middleweight again. I am not going through a fight like that with Jeff," Lonergan said.

"I'd like to see Jeff in less wars, and fights that produce a lot of money for him because that's what we're here for.

"This is a really tough game and that was one of the greatest fights I think I have seen. I've been to a lot of fights all around the world and this was just incredible.

"We'll have a look around at the opportunities. The way things went from a financial point of view, this was not the smartest fight we could have taken.

"Jeff was very adamant he wanted to take this fight because this is a fight that motivated him. I've got to be honest, it scared me shitless.

"We've put a lot of time, effort and work into building what we've got. Jeff put it all on the line, which he was entitled to do because it is his career.

"A lot of people have said the Manny Pacquiao fight was one of the all-time great Australian sporting moments. I've got to be honest with you, we've seen another one."