Real Madrid's opponents don't even hide the fact they're targeting Marcelo LaLiga Santander Brazilian not always where he should be in defence

In each of the last four years, Marcelo has been voted as the best left-back in the world by FIFA.

This is down to his significant contributions to each of Real Madrid's recent successes, being used as an element of surprise in attack.

However, these days he's seen as more of a disadvantage to Los Blancos.

The Brazilian's tendency to wander away from his defensive duties leaves the left side of Real Madrid's defence extremely vulnerable.

Santiago Solari continues to include the left-back in his starting XI, insisting that he needs the game time in order to regain some form.

The problem arrives when opponents' preparations focus on taking advantage of Marcelo and directing their play down his side of the pitch.

The boss of Kashima Antlers, Go Oiwa, admitted using this tactic in an interview with MARCA, while Villarreal did likewise and Imanol Alguacil also revealed that Real Sociedad had also planned in the same way.

The inclusion of Marcelo has always been considered essential for Real Madrid, but when rivals are using him as an advantage then something is wrong.

Some sections of the Real Madrid support have grown impatient with the 30-year-old and have called for him to be replaced in the starting line-up.

Sergio Reguilon is there to take on some responsibility, like he has done in every game he has played.