The Spanish champions have had a hit-and-miss start to the season under Zinedine Zidane this time out.
Real trail arch-rivals Barcelona by eight points after 14 games.
Lionel Messi and co remain unbeaten in La Liga having won 11 and drawn three of their opening clashes.
Reports have claimed Real will splash the cash in January or next summer to sign another Galactico and keep the pressure on Barca.
However, according to Spanish transfer outlet Don Balon, Ronaldo has other ideas.
The Portugal international doesn’t want Real to sign Chelsea star Eden Hazard, PSG’s Neymar or Antoine Griezmann from Atletico Madrid.
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“Cristiano Ronaldo doesn’t want Real Madrid to sign another Galactico”
The trio have been tipped to move to the Bernabeu, with Zidane and Real president Florentino Perez big admirers.
However, Ronaldo is worried one of the world-class stars will overshadow him at the Bernabeu if they join.
Real are back in action tonight when Zidane’s men host Borussia Dortmund in their final Champions League group stage clash.
The Spanish giants will finish second in Group H after Tottenham guaranteed themselves top spot.
Elsewhere in the group, Spurs host APOEL at Wembley.