It was chess-like at times, with precious few thrills, although Joe Hart was the hero again in the 82nd minute.
He blocked Pepe at point-blank range after he slammed a shot at goal when a Toni Kroos corner was flicked onto him by Gareth Bale’s head.
The England keeper was superb against Paris, but this was a truly sensational stop.
Ex-Manchester United star Ronaldo was booed when his he was pictured in the tunnel on the big screens before kick-off.
But on the pitch, it was a slow, careful start.
“It is maybe the most important game that this club has played in its history,” Pellegrini said.