Ronaldo restored Real's lead from off the bench with a brilliant long-range effort 10 minutes from time at the Nou Camp last night - and was booked for throwing off his shirt.
The 32-year-old was sent off two minutes later after picking up a second yellow card for diving after going down under pressure from Samuel Umtiti.
To compound matters, Ronaldo then angrily pushed De Burgos Bengoetxea after being shown a red card.
But Real Madrid skipper Ramos has slammed the referee's decision to send off Ronaldo, who now faces a potential 12-match ban.