Answer
Carlo Ancelotti, the former Real Madrid manager, played a pivotal role in bringing Asier Illarramendi to the Spanish giants. Illarramendi, a highly rated Spanish midfielder, was acquired from Real Sociedad in 2013 for a substantial transfer fee. Ancelotti, known for his tactical acumen and ability to develop young players, saw immense potential in Illarramendi and believed he would significantly contribute to Real Madrid's midfield.