About Calleja
Calleja is a 48-year-old Spanish football manager. He belongs to a new wave of modern coaches, a period defined by the tactical evolution of the modern game. He has recently been available on the managerial market after his last spell. Earlier in his career he also managed Real Oviedo y Levante, gaining experience across different competitive contexts. His contribution has left a lasting mark on contemporary football, particularly among managers from Spain.