IMAGE: Real Madrid’s players celebrate after Nacho scored the goal. Photograph: Juan Medin/Reuters Real Madrid defender Nacho was the unlikely hero as they snatched a 1-0 win at Real Valladolid on Sunday to capitalise on Barcelona’s defeat at Valencia this weekend and move three points clear of their rivals at the top of La Liga. The Spaniard was handed his fourth league start of the season only because usual right back Dani Carvajal was suspended but he proved the difference in a tight encounter by heading home a Toni Kroos cross in the 78th minute.Ronaldo scores again but Juventus lose IMAGE: Napoli’s Lorenzo Insigne celebrates with teammates after the Serie A match against Juventus, in Naples, on Sunday. Photograph: Alberto Lingria/Reuters Serie A leaders Juventus suffered a shock 2-1 defeat at Napoli on Sunday, with coach Maurizio Sarri returning to his former club for the first time, though Cristiano Ronaldo still managed to score for an eighth league game in a row for the visitors. Juve, who are chasing a ninth successive title and could have gone six points clear with a win, instead remained on 51 and saw their lead cut to three points by Inter Milan, who drew…