Ronaldo is followed in second place by Lionel Messi and in third place by Chelsea striker Samuel Eto'o.
Real Madrid took full advantage of Barcelona's shock defeat at Real Valladolid with a 3-0 home win over 10-man Levante on Sunday.
Ronaldo struck late to earn Madrid a 2-2 draw while Barca's 4-1 win put them within one point of leaders Madrid.
Cristiano Ronaldo scored a late equalizer to earn Real Madrid a 2-2 draw at Spanish title rival Atletico Madrid.
Real can bury Atletico's hopes of winning La Liga with a third straight victory against their city neighbours that would leave the capital's second club trailing by six points.
Coach Jens Keller and his relatively inexperienced players admitted that they had no answer to Real Madrid's ruthlessness on the counter-attack in the Round of 16 first leg encounter.
Carlo Ancelotti:The man who can secure the "decima" that has eluded Real since their last Champions League triumph in 2002
Karim Benzema, Gareth Bale and Cristiano Ronaldo scored two goals apiece as Real Madrid crushed Schalke.
Cristiano Ronaldo is itching to get back into action in Champions League last 16, first leg at Schalke after serving a three-match La Liga ban.
Zinedine Zidane's son Enzo has won the chance to be selected for the French Under-19 squad, a potential first step along the path of his father.
The Spanish giant are in tremendous form, sitting alone atop the La Liga standings for the first time since the 2011/12 season, when they won the title.