The odds were stacked against Real Madrid in Saturday’s showdown with Barcelona. But in “El Clasico,” all bets are off, especially when two of the best players in the world are on the field. This time it was Cristiano Ronaldo, not Lionel Messi, who played the role of hero. With the two La Liga (Spanish first division) rivals tied at Nou Camp with under 10 minutes to play, the Real Madrid striker corralled a Gareth Bale cross and buried it into the net for the deciding goal in the 85th minute. Real Madrid’s 2-1 win snapped Barcelona’s 39-game home winning streak and helped keep its La Liga hopes alive, as the club now...