The two finest teams of the 2026 World Cup collide at MetLife Stadium — an irresistible force meeting an immovable object. Spain arrive with the tournament's most extraordinary defensive record: one single goal conceded in seven matches, six clean sheets, and a 37-match unbeaten run that equals the all-time record for European nations (Italy 2018–2021). Argentina, by contrast, are the tournament's goal-gluttons: 19 goals in seven games, more than any other side, driven almost single-handedly by a 39-year-old Lionel Messi playing what is very likely his final World Cup match. The narrative could not be richer. The market consensus leans clearly to Spain: Opta gives La Roja a 45.1% regulation win probability vs Argentina's 29.4%, with a 25.5% chance of extra time. FanDuel lists Spain at -156 to lift the trophy, DraftKings at -160. SmartBettingGuide backs Spain at 1.72, Racing Post and Goal.com both call Spain. USA TODAY's expert panel splits 3-1 in Spain's favour (Spain 2-1 twice, Spain 2-0, Argentina 2-1). Sporting News calls Spain 2-0. FanDuel's research predicts Spain 2-1. The big counterargument: Messi's 12 goal involvements in 7 games, Argentina's ability to win from seemingly impossible positions (trailed Egypt 2-0, won; trailed England with 5 mins left, won), and Scaloni's devastating late substitutions. This is the most difficult World Cup Final to predict in years. Our call: Spain 2-1 Argentina — La Roja's superior defensive structure and midfield control prove decisive, but Messi delivers one final, immortal moment before bowing out.