The Brazil international has reportedly caught the eye of the Spanish league leaders and admitted that any interest would be "a source of pride".
For now, however, the €25 million signing from Benfica is content to focus on his form at Stamford Bridge.
|7/2||Chelsea are 7/2 with Bet365 to win the Europa League
"I'm a Chelsea player for now. I work hard every day to make people appreciate what I do. I try to do my job in the best way possible, wherever I am."
Luiz has often operated in midfield under Rafa Benitez and despite Chelsea's indifferent form since his arrival, the former Liverpool boss claims that he has had a positive impact on the squad.
"My job is to try to win and improve players," Benitez told reporters. "Gary Cahill has improved a lot with his movement and understanding of the game.
"I said Cesar Azpilicueta would get in the Spain team and Victor Moses won the player of the tournament in the Africa Nations Cup. That makes you very proud."