Fa’amausili has been one of the finds of Super Rugby AU, with his big carries skittling defenders.
The 23-year-old man mountain, who stands 196cm and weighs 130kg, said he never considered leaving Melbourne.
“Staying in Melbourne was always my top priority,” said Fa’amausili.
“I played my junior rugby here, I went to school here, I signed my first professional rugby contract here.
“Melbourne is my city and these are the people I want to represent.”