Scotland based player Nikola Matawalu said he is always ready if given a chance to play.
Matawalu added his club commitments would not be a problem.
France based Joeli Lutumailagi has also declared his availability as he has been cleared to play again by his club and he wants to represent Fiji in the World Cup in Moscow.
Fiji will meet England at 12pm Saturday in the USA Sevens.
Fiji will then face Scotland at 3.19pm Saturday and Portugal at 8am Sunday.