At the age of 33, the Italian feels the five-time Ballon d'Or victor should get to grips that he will need to conserve energy to remain at the elite level he's displayed over the last decade.
Ronaldo, Modric, Salah unveiled in Federation Internationale de Football Association shortlist for World Player of the Year trophy.
"They already had a good team and now they also have Cristiano Ronaldo".
Can he break the Ronaldo-Messi dominance?
"I really hope Modric will win because I think what he did in the World Cup was really special", said legendary former Manchester United and Denmark goalkeeper Peter Schmeichel in his role as a Federation Internationale de Football Association ambassador on Monday.
Though Madrid lost the UEFA Super Cup to neighbours Atletico, Los Blancos have made a superb start to life under former Spain coach Lopetegui, taking nine points from their first three LaLiga games.
Former Real Madrid manager Zinedine Zidane, France coach Didier Deschamps and Croatia's Zlatko Dalic were on the shortlist for the coach of the year award.
France's World Cup-winning captain Hugo Lloris is in contention for the goalkeeper of the year award, alongside Golden Glove victor Thibaut Courtois of Belgium and Denmark's Kasper Schmeichel.
Messi believes Ronaldo played a a crucial role in Los Blancos' three consecutive Champions League titles, but opted for a new adventure in Italy.
Reynold Pedros of Lyon, Japan boss Asako Takakura and Netherlands coach Sarina Wiegman are in the running for best women's coach.