Nigeria, March 2 -- The Super Eagles were gearing up for a crucial four-nation tournament during the March FIFA international window, a key opportunity to sharpen tactics, test new talents, and begin the groundwork for the 2027 Africa Cup of Nations.

However, escalating geopolitical tensions thousands of miles away now threaten to upend those plans.

Nigeria had been scheduled to open the tournament on 27 March against Iran at the Amman International Stadium, a fixture that doubles as a symbolic rematch of their goalless 2014 FIFA World Cup encounter in Brazil.

On the same day, hosts Jordan were set to face Costa Rica at the 62,000-capacity King Abdullah Sports City Stadium. Four days later, Nigeria would meet Jordan, while Iran squared...