USA Rugby said the impact of COVID-19 has accelerated existing financial issues after voting to file for chapter 11 bankruptcy.
Agen hooker Paula Ngauamo is set to miss seven weeks for his Top 14 club following an incident during the Rugby World Cup.
With both teams already eliminated, Tonga bowed out on a winning note by scoring four tries to USA's three in Higashiosaka on Sunday.
If the weather holds up in Osaka, Siale Piutau will hope to celebrate his birthday with a record-breaking appearance for Tonga against USA.
A Rugby World Cup to forget will come to an end for Argentina when they face winless United States in Pool C.
The United States were hammered by England in their Rugby World Cup opener - France now hope to do the same to them on... Read more
United States flanker John Quill became the third player to be handed a three-week ban for a high tackle at the 2019 Rugby World... Read more
Owen Farrell lost a chunk of his nose after taking a big hit from the United States' John Quill, according to England coach Eddie... Read more
England have been perfect in their Rugby World Cup campaign so far, according to Eddie Jones, whose side thrashed the United States 45-7.
Eddie Jones made 10 changes to the England XV and saw his side overpower the United Sates in Pool C.
Among the favourites to win the Webb Ellis Cup, England do not have a glaring weakness in their team, according to USA coach Gary... Read more
George Ford hopes a much-changed England team can improve on their opening display when they face the United States.
Billy Vunipola took some big hits in England' Rugby World Cup opener against Tonga, but has been named to start against the United States.
England coach Eddie Jones has named a much-changed side for Thursday's Rugby World Cup encounter with the United States in Kobe.
The United States tested a second-string Ireland team early on, but Joe Schmidt's men ultimately cruised to victory at the Aviva Stadium.
Mark Bennett has been called into Scotland's squad for their June Test matches to replace the injured Alex Dunbar.