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The American manager believes the money will be there once Major League Soccer catches up on the top European clubs.

Currently there is the Club World Cup, which sees the champions from each continent competing in a tournament every year.

But Arena reckons there will be a world league in the format of the Champions League down the line.

He said: “A world league’s very likely. People will be excited to see New York play Chelsea or Arsenal.

“It would be like a version of the Champions League. If the travel (time) could be reduced, you could do that.

“The revenue of something like that is mind boggling.

“Make it a worldwide Champions League - let the best clubs in the world compete. If the money’s there, they’ll come up with a way to make it work.”