NFL in London: A history of the NFL's International Series in the U.K., NFL News
NFL International Series: History of games outside America – NBC New York
Chiefs and Lions Prepare for Wembley Showdown in NFL's International Series
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The NFL International Series
Jaguars set to return to Wembley Stadium to face Broncos in Week 8
NFL International Series 2022: All you need to know before London games - BBC Sport
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A Love Letter To The NFL's International Series, by Alex Cassidy