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Irish actor Liam Neeson did an impersonation of Manny Pacquiao in his recent guesting on ABC's "Jimmy Kimmel Live! "

Neeson, best known for his work in movies like "Schindler's List" and "Taken," is the narrator in Pacquiao's upcoming documentary "Manny."

"What a boxer he is, one of the greatest," the 61-year-old actor said.

Neeson added that he received a footage of Pacquiao thanking him for the narrating gig. "[And] I'm showing it to everybody," he proudly said.