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In case anyone missed this, BeIn Sports has the Champions and Challenge Cups this year. Still no closer to finding who, if anyone, has snaffled the Pro14
Can't speak about Japan but Saffas in the EU fall under the "Kolpak" ruling meaning they have the same freedom of movement and work rights in the EU as citizens of EU countries. Therefore no limit to their numbers in squads etc.
Not sure what happens in the EU post-Brexit