Published Thursday, 19 July 2012
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The clash will be held at the Odyssey Arena on 22 September, with 25-year-old Frampton's unbeaten record also on the line.
"It's going to be a great fight and a great occasion, and the kind of big night that Belfast fans love," Frampton said. "I know he's a great fighter, but I believe that I will beat him."
Manager Barry McGuigan is also firmly in the Jackal's corner and added: "Kiko is an exceptional fighter, a world class puncher and has a good chin, but we're convinced Carl can win.
"We're certainly not underestimating him by any means, but I believe Frampton is better than him in every department and he will show it."
While Frampton is thrilled to be headlining the biggest fight of his career in his own backyard, Martinez isn't fazed by the challenge.
"Frampton is a good fighter, but I am the champion and I will retain the belt," he insisted.
The undercard will include Dungiven southpaw Paul McCloskey, Commonwealth gold medallist Eamonn O'Kane, former British featherweight champion Martin Lindsay and unbeaten flyweight prospect Jamie Conlan.
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