Real Madrid suffered their ninth defeat of the season and Zidane’s first since his return to Madrid for a second time.
The Spanish giant were condemned to a 2-1 defeat by Valencia in a match were the Galiticos were outclassed.
The loss means Zidane’s side remain third on table but five points behind runners-up Atletico Madrid.
The defeat also means Madrid have lost as many league matches this term as in their previous two campaigns combined.
However, Valencia who got the victory also move up and will be hoping to finish top four should Getafe slip.
Valencia were almost going 550 minutes without conceding a goal in the match before Benzema’s late goal ended their dream.