It would mean displacing an established member of the slick Fijian unit, with only 12 players to go to Rio later this year.
Fiji only needs to make the quarter-finals in London this weekend to secure back-to-back World Series titles.
They have already won three of the nine World Series rounds to date and also boast two runners-up finishes and two third placings.
Fiji face a tough pool with games against England, Wales and Australia before Rio Olympic preparation begins.
They've been drawn against Australia, England and Wales this in their pool this weekend.
Fiji Sevens Squad: Apisai Domolailai, Jasa Veremalua, Waisea Nayacalevu, Isake Katonibau, Viliame Mata, Amenoni Nasilasila, Osea Kolinisau ©, Masivesi Dakuwaqa, Seremaia Tuwai, Kitione Dawai, Samisoni Viriviri, Jarryd Hayne.
- With AAP