Rotorua's Liam Messam wades into nephew's brain tumour battle 14 Mar, 2021 10:36 PM 3 minutes to read Former All Black Liam Messam is stepping into the boxing ring for his nephew. Photo / Supplied Former All Black Liam Messam is stepping into the boxing ring for his nephew. Photo / Supplied Māori Television Originally published by Māori Television A former All Black - Rotorua's Liam Messam - is gearing up to fight in the boxing ring for his nephew who is being treated for a brain tumour. In November last year, Messam's nephew, Antonio Pohatu-Barbarich of Tauranga, was diagnosed with medulloblastoma, a cancerous tumour at the base of his skull.