Mundine said to reporters on Monday that he is trying to "better Australia" and "educate people" by rejecting the nation's song - to be sung by indigenous performer Jessica Mauboy pre-bout.
But Green says he won't following Choc's lead and is adamant he doesn't have enough "emotional investment" in Mundine to be affected by anything he says.
"I’ll be standing and singing the anthem," Green said.
