Born in New Zealand, he represents Samoa at international level after qualifying on ancestry grounds.
[1] Motuga was educated at Manurewa High School in Auckland, New Zealand.
[2] He began playing rugby for Manurewa in the Counties-Manukau Amateur Federation Championship.
[5] In November 2020 he represented Moana Pasifika in their inaugural match against the Māori All Blacks.
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