When Spain and Argentina meet in Sunday’s World Cup final, the tactical battle on the sideline will be framed by an unusual personal history. Argentina coach Lionel Scaloni once sat in a classroom taught by Spain’s Luis de la Fuente, studying for his pro coaching license at the Spanish federation’s training center in Las Rozas. Nine years later, the student faces his teacher with the sport’s biggest prize on the line. Main Developments Scaloni, 48, took charge of Argentina in August 2018 on an interim basis, less than a year after taking lessons from de la Fuente. Since then, he has transformed the team into a tournament powerhouse, ending a 28-year major title drought with the 2021 Copa America, winning the 2022 World Cup, and adding another Copa America crown in 2024. De la Fuente, 65, was appointed Spain coach in December 2022 after a disappointing last-16 exit to Morocco at the previous World Cup. He quickly revived La Roja’s fortunes, leading them to a thrilling victory at the 2024 European Championship and a runner-up finish in the UEFA Nations League last year. Tuesday’s semi-final masterclass against France put Spain on the verge of a second World Cup win, following their 2010 triumph. Read also: England Captain Kane Heartbroken After World Cup Semi-Final Loss Both coaches have spoken warmly about each other ahead of the final at MetLife Stadium in East Rutherford, New Jersey. Scaloni called de la Fuente his mentor and said he taught him everything he knows. De la Fuente described Scaloni as a diligent student with a great attitude and a determination to grow, adding that being his teacher is an honor. Background Scaloni spent the bulk of his playing career in Spain, representing clubs like Deportivo La Coruna. His wife, Elisa Montero, is Spanish, and the couple lives in Mallorca with their two sons. Those ties have not softened his competitive edge. Scaloni said he is sorry but intends to beat his former teacher on Sunday. De la Fuente, meanwhile, recalled a long conversation with Scaloni after the 2022 World Cup and praised his work with Argentina. Why It Matters This final is more than a championship match—it is a testament to the power of coaching education and mentorship in international football. The encounter between a student and his teacher at the sport’s highest level underscores how knowledge transfers across borders and generations. For Argentina, victory would cement Scaloni’s legacy as one of the most successful national team coaches in history. For Spain, a win would complete a remarkable revival under de la Fuente and add a second World Cup to their 2010 achievement. What's Next Sunday’s final at MetLife Stadium will determine whether Scaloni adds another World Cup to his resume or de la Fuente completes his own rapid rise. The mutual respect between the two men is clear, but only one will lift the trophy. The result will also shape how both programs are viewed heading into the next international cycle, with potential implications for future tournaments and coaching philosophies.