NFL views Spain as likely next European city to host a game, being assessed for 2024 - ABC News
The NFL Returns to the Raucous German Fan Base It Left Behind - The Ringer
2020 NFL schedule: League anticipates starting season on time
Is NFL taking the NBA route? Roger Goodell's future plans revealed by anonymous team owner
Reports: NFL could expand to 40 teams, have European division
NFL in 'constant' discussion over London franchise - SportsPro
Roger Goodell - Wikipedia
NFL considers changing rules next year as more teams go for it on fourth down
Roger Goodell optimistic about expanding to Europe
AFC playoffs: Title game could be at neutral site, NFL decides, because of Bills-Bengals schedule imbalance
NFL could have European division and two London teams, suggests Commissioner Roger Goodell, NFL News
NFL eyes 3 German cities in bid for regular-season game
Roger Goodell hints at a four-team European division - NBC Sports