CANELO ALVAREZ has been called out by cruiserweight champion Mairis Briedis, despite their TWO STONE weight difference.
The Mexican superstar has won titles from light-middleweight all the way up to light-heavyweight.
And for the first time in his glittering 60-fight career, he achieved undisputed glory after knocking out Caleb Plant, 29, in round 11.
Talk has soon turned to what could be next for Canelo, 31, after securing the fourth belt in his super-middleweight collection.
IBF cruiserweight champ Bredis, 36, beaten only by Oleksandr Usyk, 34, in 2018, has thrown his name into the hat.
He posted online: "Doesn't seem like @canelo will find a levelled fight at SMW or LHW. What a machine! Ready to test waters at CW for a proper challenge?"
Canelo in 2019 moved up to 175lb and knocked out Sergey Kovaelv, 39, to win the WBO title.
But he soon vacated the light-heavyweight belt to settle down at super-middle.
Canelo has opened the door to moving back up and taking on WBC and IBF king Artur Berterbiev, 36, boxing's only champion with a 100 per cent KO ratio.
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But going as high as the 14st 4lb cruiserweight limit has seemed less appealing to Alvarez, who weighed only 12st against Plant.
Roy Jones Jr, now 52, famously jumped from light-heavyweight, having debuted at light-middleweight, to heavyweight in 2003.
He stunned John Ruiz to win the WBA belt, but after moving back to light-heavy, his career took a turn for the worst.
Canelo has previously poured cold water on moving up to cruiserweight, but Bernard Hopkins in July backed the pound-for-pound star to achieve the feat.
Hopkins, 56, said: “The light heavyweight division, I think he sweeps through that. Canelo can compete all the way up to cruiserweight as far as I’m concerned.”