Liverpool are interested in signing former Real Madrid goalkeeper Iker Casillas, according to The Sun.

What's the word?

The Spanish shot-stopper has been at Porto for the last two years after ending his 16-year-old stint at the Bernabeu.

The 36-year-old was a regular at the Portuguese club, but in the last two games he has been relegated to the bench, making way for Jose Sa.

According to The Sun, Liverpool as well as Newcastle United are keen to sign the experienced goalkeeper.

Casillas's current contract at Porto expires at the end of the season.

Is Casillas the answer?

Liverpool's current goalkeeping options of Simon Mignolet and Loris Karius have shown that they have mistakes in them.

A club rarely wins titles without a world-class man between the sticks, and Casillas has certainly proved that he is cut from that cloth.

However, Liverpool's problems extend beyond the goalkeeper, and while having confidence in the shot-stopper is important for defenders to do their job, it is not enough.

At the moment, Jurgen Klopp does not have a good enough player sitting in front of the back four to protect them.

Jordan Henderson and Emre Can have their qualities, but they have been unable to fill that role.

It could be argued that the Reds' defenders, who have shipped 16 goals in the Premier League this season, would feel more secure with a goalkeeper of Casillas's quality, but he will not solve all their problems.

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