Two-weight world champion has dubbed five-weight world champion Nonito Donaire his greatest opponent as the pair prepare to do battle in Belfast on Saturday.
Home fighter Frampton (24-1-KO14) can clinch the WBO interim world featherweight title and book a shot at champion Oscar Valdez by beating the legendary Donaire (38-4-KO24) at The SSE Arena.
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Donaire said: "It's great to be here in Belfast. Some people are writing me off as 'the old guy' but I feel I'm peaking now both physically and in terms of experience.
"Being in Belfast, the weather is cold but the welcome is warm. I've had people coming up to me - many of them who are serious Frampton fans - and welcome me to the city. I appreciate that."
Promoter Frank Warren said of the clash: "If you want to see a real fight on Saturday night, there's only one place to be. None of this celebrity in a jungle stuff - this is proper boxing."
MTK Global Professional Development Coordinator Jamie Conlan, who has already enjoyed his fair share of big nights in the city, added: "This is the biggest fight Belfast has ever seen."