#4: Most goals in a calendar year

Lionel Messi, Cristiano Ronaldo's arch-rival and Barcelona legend currently holds this record with a mammoth tally of 91 goals in the year 2012. Lionel Messi was in a red-hot form that year.
Ronaldo, on the other hand, could manage only 61 goals for both club and country that year.
Also read: Lionel Messi vs Cristiano Ronaldo - season by season comparison of their goal scoring records
The Portuguese forward scored a career best 69 goals in 59 appearances for both club and country in 2013. In the all-time list of top goal scorers in a calendar-year, Ronaldo stands fifth. He must beat Pele, Chitalau, Gerd Mueller and Lionel Messi to be on top of the pile.
Considering his goal-scoring exploits, Ronaldo can break this barrier if he puts in the extra amount of hard work required on the pitch.