Spain and Argentina will meet in today’s World Cup final in New Jersey, with organisers monitoring smoke from Canadian wildfires that has spread across parts of the United States. The match at MetLife Stadium in East Rutherford caps the biggest World Cup in history, with more than 80,000 spectators expected, including US President Donald Trump and Mexican President Claudia Sheinbaum.Lionel Messi’s Argentina are chasing a rare back-to-back title, while Spain are aiming for a second World Cup crown after their 2010 triumph. FIFA said it was keeping a close watch on air quality as smoke continued to affect visibility in several regions.Spain captain Rodri said he expects a “physical” contest and warned of possible provocations, adding that his side must be ready to adapt. Argentina coach Lionel Scaloni urged fans to savour the chance to see Messi, now 39, lead the team in another final. Goalkeeper Emiliano Martinez said the squad had been moved to tears by what they have achieved.The final will bring down the curtain on a tournament staged across the United States, Mexico and Canada. England and France will meet in Miami on Saturday to decide third place.