The NFL expects the number of games played in London to remain at four for the immediate future despite record ticket sales during 2017.
The season’s quartet of International Series games came to an end on Sunday when Minnesota Vikings played Cleveland Browns at Twickenham.
There were 74,240 fans that attended the game, which beat the stadium record of 74,120 set at Twickenham’s first NFL game last year when New York Giants faced Los Angeles Rams.
In September, the highest ever NFL attendance in 10 years of games in the UK was set when 84,600 watched Jacksonville Jaguars versus Baltimore Ravens at Wembley.
A total of 317,000 spectators attended the four NFL games in London during 2017.
Next season sees the start of a contract with a third stadium in the UK, the under-construction new home of Tottenham Hotspur, and NFL commissioner Roger Goodell hinted at increasing the number of UK games before Sunday’s finale.
However, NFL UK managing director Alistair Kirkwood is not sure that would be possible logistically right now.
He told Sky Sports: “I don’t expect us to go up from four any time soon. The more games we play, the more pressure we place on the domestic schedule. Our games get announced earlier than anyone else so it means the schedule needs to fit around us.
“That’s one consideration. The second is that while we’re playing in different stadia there are different schedule demands on the stadia so the more games we play, the more difficult it is to satisfy everybody.
“At least for the moment, until we’ve moved into the Spurs stadium and got used to that as well, I would be really surprised if we moved away from a four-game order.”