Ronaldo has rejuvenated Los Blancos, scoring 26 goals from 16 matches across all competitions since the turn of the year.
The 33-year-old, should he fire Real Madrid to Champions League glory again, would be favourite to win the Ballon d’Or later in the year.
And Spanish website Don Balon claim Messi is fearful Ronaldo will win the prize again.
The Barcelonastar’s hopes of winning the prize have been dealt a huge blow.
Barcelona news: Lionel Messi has Real Madrid and Cristiano Ronaldo fears