The Catalans are desperate to add to their squad going into the second half of the season.
Ernesto Valverde is keen bolster his midfield with Aleix Vidal, Gerard Deulofeu and Arda Turan expected to leave.
With defender Javier Mascherano set to head to the Chinese Super League and Samuel Umtiti sidelined with hamstring injury, a new centre-back is also wanted.
And according to Spanish newspaper Marca, there are five players on Valverde’s January shopping list.