England – Six Players
The number of players from other countries has doubled since the 2015 showpiece, where the Vunipola brothers along with Brad Barritt were the only foreign-born selections.
- Mako Vunipola – New Zealand
- Sam Underhill – USA
- Billy Vunipola – Australia
- Willi Heinz – New Zealand
- Manu Tuilagi – Samoa
- Joe Cokanasiga – Fiji