LONDON — The NFL concluded its annual four-game London series on Sunday in front of a robust, energetic crowd of 83,000 at Wembley Stadium. In all, more than 286,000 fans packed Wembley and Tottenham Hotspur Stadium as the league showcased its brand to European fans.



It marked the 13th straight year the NFL has played games in London. More than two million fans have bought tickets, while merchandise sales and television ratings continue to surge. There is a robust fanbase, a ready-made venue, the necessary political support and more than enough local corporate sponsorship entities to support a permanent team in capital city of England.



The only thing lacking is an NFL owner with the vision and boldness to see past and work around any logistical issues of playing overseas and make the leap of moving his or her franchise across the Atlantic.



That might be changing.



The Athletic has learned through NFL sources that the possibility of the Chargers...