Register for our free newsletter Tottenham manager Mauricio Pochettino has kept open the possibility of taking over one day at Real Madrid. Pochettino is among the coaches being linked with the European champions, as the position of current boss Zinedine Zidane grows increasingly uncertain. Real sit fourth in LaLiga, 19 points adrift of leaders Barcelona, and sank to a new low on Wednesday with a shock defeat at home to Leganes in the Copa del Rey. Pochettino is familiar with Spanish football, having played and then managed at Espanyol, while Spurs collected four points off Real in this season’s Champions League. Asked about the rumours he could be in line to succeed Zidane, Pochettino said: “I am so clear. “I am never going to be manager of Barcelona or Arsenal because I am so identified with Tottenham and Espanyol. I grew up in Newell’s Old Boys and will never manage Rosario Central. “That is my decision because I prefer to work on my farm in Argentina than in some places. But my commitment is massive in this club. I am working like I am going to be here forever. “But in the end, it is like the players, you never…