Scotland are stunned in Houston as the USA register a first ever victory over Tier-One opposition.
England lose their fifth Test match in a row as South Africa win 23-12 in Bloemfontein to wrap up the series 2-0 with one match to play.
Wales make it three wins from three with victory over Argentina to finish their summer tour unbeaten despite a late red card for Ross Moriarty.
Ireland beat Australia 26-21 in Melbourne to level their series at 1-1 going into the final Test in Sydney next week.
Audio & Video
Wales head coach Warren Gatland says the appointment of the next coach will not be able to overshadow the World Cup.
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This week's sport on the BBC includes the start of the 2018 World Cup in Russia and England's ODIs against Australia