Al-Nassr’s Cristiano Ronaldo collected his third Saudi Pro League Player of the Month award for his performances in December. Despite suffering back-to-back defeats in the first two rounds of the league campaign, Ronaldo has inspired Al-Nassr to mount a title challenge this season. The 38-year-old’s contributions also earned him back-to-back Player of the Month awards at the start of the campaign. Despite missing out on the honour for October and November, he has now claimed it for the third time after another stellar month for Al-Nassr. A bright start to December saw Ronaldo get on the scores…