The Blaugrana's technical director, Robert Fernandez, watched the duo in action last weekend in Leipzig's 2-0 loss against Bayern Munich.

The pair could be signed as potential replacements for Gerard Pique and Luis Suarez, both of whom are 30 years old, with Ernesto Valverde keen to add youth to his squad.

The newly-appointed manager has guided the Catalan club to an eight-point cushion over Real Madrid, leaving them in command of the title race, though the next generation remains a priority in the following windows.