Bayern Munich winger Kingsley Coman was not as seriously injured as first feared, but could still miss this Saturday's Bundesliga game at Werder Bremen.
The Portugal captain and FIFA Ballon d'Or holder, Ronaldo, collected a record fourth Golden Shoe award as Europe's top scorer for his 48-goal haul in La Liga last season.
Russia booked their place in the Euro 2016 finals with a 2-0 victory over Montenegro in Moscow on Monday ensuring they were spared the drama of a playoff.
Coach Vicente del Bosque acknowledged he faces a tough task in deciding who to leave out of his 23-man Spain squad for Euro 2016, especially in midfield.