Argentina skipper Messi, 39, has been pivotal in dragging the defending champions into Sunday's final in East Rutherford, orchestrating a 2-1 semi-final victory over England with two assists.
The 57-year-old coach has enjoyed a successful reign, winning the World Cup in 2018 and reaching the final in Qatar four years ago, having also won it as a player in 1998.
The NFL global markets program links only the Los Angeles Rams to Japan, which could make them a likely choice to participate should an NFL regular-season game be played in Japan.