Fiji coach John McKee has named his team for the Pool D match against Uruguay at Kamaishi Recovery Memorial Stadium on Wednesday.
McKee has made wholesale changes after the defeat by Australia.
Only captain Dominiko Waqaniburot, Leone Nakarawa and Semi Radradra stay in the starting XV.
In the forwards Eroni Mawi, Manasa Saulo, Tevita Ratuva and Mosese Voka move up from the bench, while Mesulame Dolokoto and Api Ratuniyarawa start despite not having been in the match-day 23 against Australia.
Fiji have lost two key members of their back row, after number eight Viliame Mata and openside flanker Peceli Yato were injured against Australia.
Yato is replaced in the starting line-up by Voka, while Nakarawa moves to number eight.
In the backs, Semi Radradra moves from left wing to outside centre, while Vereniki Goneva and Alivereti Veitokani come in from bench, and Henry Seniloli, Josh Matavesi, Jale Vatubua, Filipo Nakosi were not in the matchday 23 against Australia.
Fiji will take on Uruguay on Wednesday at 5.15pm.