Buffalo Bills and Tennessee Titans to play at London's Tottenham Hotspur Stadium
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NFL road trip: Beyond Germany, league eyes Spain, France
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NFL looking to France, Spain as possible sites for future games
NFL road trip: Beyond Germany, league eyes Spain, France
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NFL eyes games in Spain and France after UK and Germany success, NFL News
The key questions shaping the future of the NFL in Europe - ESPN
NFL confirms Brazil and Spain site trips as international 'passion and demand' grows
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American football - Wikipedia