The United States have made two changes for their Rugby World Cup qualifying second leg clash with Canada in Edmonton on Saturday.
The US Eagles celebrated Independence Day with a hard-fought 12-6 victory over Canada in Saturday's Rugby World Cup qualifying tie.
England Saxons clinched a berth in the final of the Churchill Cup courtesy of an emphatic 56-17 win over the United States.
London Irish captain Bob Casey scored his first Test try for Ireland in a 27-10 win over the USA in Santa Clara, California on Sunday.
Japan enjoyed a second success over America on Saturday, winning 32-17 in Tokyo's Prince Chichibu Stadium.
Having won the first Test last week Japan made it two from two against the USA Eagles on Saturday, beating them 32-17 at the Prince Chichibu Memorial Ground.
Argentina may currently occupy fourth position in the IRB World Rankings, but were they to lose to Ireland at Croke Park this weekend then they could lose that position to England, France or Wales depending on results elsewhere.
Japan defeated the United States 29-19 in the first Test of a two-match series thanks to four Ryan Nicholas penalties on Sunday.
As well as those matches profiled elsewhere, Europe's lower echelons have also been abuzz with activity over the past fortnight, and this weekend is no exception.
US coach Scott Johnson has named a touring party of 27 to go for two Tests in Japan over the next fortnight, with a strong forward bias in the selection.
France's 12-6 win over Argentina in Marseilles on Saturday sees Les Bleus to climb one spot in the IRB ranking and allowed England to leapfrog the Pumas into fourth place.
The International Rugby Board (IRB) has announced that the USA will play in all eight events of the 2008/09 IRB Sevens World Series.
The Lions have added to their crop of talented loose forwards by acquiring the services of United States Eagles captain Todd Clever for the 2009 Super 14 and Currie Cup competitions.
Saracens have strengthened their back-three options with the signing of USA international Chris Wyles on a secondment deal.
USA Rugby is backing the attempt to have a Bledisloe Cup Test held in Denver next year.