Madrid was on the verge of a second consecutive draw when the Spain midfielder drilled a right-footed shot from just outside the area between goalkeeper Ivan Cuellar and his post.
Luis Enrique's men have now kept just two clean sheets in their last 13 games.
La Liga leaders Real Madrid will go into their away game against Sporting Gijon in a far more positive frame of mind than Barcelona will approach their match at home against Real Sociedad in what could be another decisive week in the battle for the Spanish football league title and also to avoid relegation. They need any points they can get even if that involves a superhuman effort against Real.
Barca begin life without Neymar Barca's season unravelled quickly in the past week as they lost at Malaga to fall three points behind Madrid, who also have a game in hand, at the top of the table and were then thrashed 3-0 by Juventus in the Champions League.
Sunderland's Wahbi Khazri Scores Directly From A Corner Vs
If Sunderland are to drop into the Championship, they are likely to be extremely active in the summer transfer window. Harry Maguire eventually took advantage of some poor Stoke defending at a corner to level matters in the 51st minute.
"You know what I think of Isco, he is a player I like a lot and his place is here".
"It is hard, there isn't time to rest, but we are working very well and we're good physically". The victory allowed Madrid to preserve their three-point lead over Barcelona in La Liga.
He was the kaiser in the defense, and in the last minutes he played as a striker looking for the desperate 2-3, but finally Isco scored the goal in 89th minute.
"I feel unfair to all those who do not play", said the coach.
Los Blancos pushed for a victor in the closing stages and went close in the 84th minute when Sergio Ramos headed wide of the upright.
"I have always made it clear that I want to be here for many years", he said after the win over Sporting.
Gareth Bale's calf injury means Isco will hope to feature in Tuesday's Champions League quarterfinal second leg against Bayern Munich and El Clasico next Sunday.
The Madrid based paper added Zidane has earned the "blind trust" of Perez, because of the love the French coach receives from the fans, players and staff.
Atletico Madrid banked on Yannick Carrasco's double to ease 3-0 past bottom placed Osasuna, but Diego Simeone's side once again showed how awful they have been this season when it comes to scoring penalties.
The win ended a frightful week which saw Barca lose 2-0 in Malaga and 3-0 away to Juventus, but even the three points couldn't disguise the feeling of decline.
Gemidos de una pareja interrumpieron un partido de tenis — YouTube
Una de las perlas del tenis estadounidense, Francis Tiafoe , quería sacar , pero era imposible concentrarse ante tanto frenesí. Posteriormente, tras otras interrupciones, el periodista se da cuenta de que los sonidos salían desde un edificio cercano.