Bale had operated on the margins of the contest up until that point but the Wales winger stormed down the left flank and Ronaldo pulled into space behind Lucas Hernandez, drilling a volley into the turf and beyond Oblak.
"We are up against two superpowers, Madrid and Barcelona", he said.
The most likely explanation is that Zidane was simply giving Ronaldo a breather ahead of their UEFA Champions League clash with Juventus on Wednesday.
In the 58th minute Atletico were back on level terms through Griezmann.
Griezmann equalised for the visitors four minutes later after poking the ball into the net from inside the box, 1-1.
However, it was not enough for Real to win the match.More news: Renewed trade tensions send stocks lower
The Atletico star is clearly a fan of the video game Fortnite and has already given us a few celebrations inspired by the game.
France global Griezmann, 27, has now scored on each of his last three league visits to the Bernabeu and has 18 goals in his last 20 games in all competitions.
"When they scored, we responded immediately and we saw a game we could win with Koke and [Angel] Correa, and could have lost without [goalkeeper Jan] Oblak".
It would also mean more breathing space for Barcelona, whose lead at the top of the table would be 12 points with seven games to play.
It was the Frenchman's third Madrid derby goal in a row at the Santiago Bernabeu.
Real won the first leg 3-0 in Turin, with Ronaldo scoring twice, including an excellent bicycle kick.