The Mirror reports that the Spanish giants are keen to bring in Agger to rejuvenate their defence.
Barcelona showed an interest in Agger last summer, but did not make a bid after the defender signed a new four-year contract with Liverpool.
The Catalans has earmarked Agger as a replacement for 34-year-old defender Carles Puyol at the Camp Nou.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Chelsea have struggled to build momentum in the opening stages of the campaign and are currently looking over their shoulders at the relegation zone.
Who of Europe’s top strikers will move to England this summer?