Chelsea have reportedly delayed defender Felipe Luis's move to Atletico Madrid by demanding more than the fee initially agreed by the two clubs, according to Spanish daily AS.
The Brazilian defender is already said to be in the Spanish capital waiting for the go-ahead from the Blues to complete his move to the club, he left last summer to join the Premier League champions.
Luis has reportedly completed his medical with the Spanish capital club and was ready to complete his move in the next 48 hours, but Chelsea's late demand for a fee in excess of the £15m ($23.2m) initially agreed has put the deal on hold, as the two clubs have returned to the table to find a solution.
Jose Mourinho has admitted that the Brazilian defender will be leaving the club, and the Stamford Bridge outfit are looking at replacements, with Augsburg's Baba Rahman being their preferred choice to fill the void left by Luis.
However, the Blues have been informed by the German club's chairman Jonas Hoffman that the club are not interested in selling the defender unless the Blues meet their valuation, which is set at around €20m (£14.1m, $22m).
"We do not need the Baba millions. We have a good, solid team here," Hoffman told Bild, according to Goal.com.
"I am very optimistic that Baba will continue his great performances with us. He's made a very good impression at our recent training camp."
"Why keep Baba? I am an Augsburg fan. To me, it's more important that I spend the evening watching Augsburg win with a beer in my hand than when we have more money in the bank account," he added.
"There's no need to even talk about an offer under €20m, as I've previously stated."
Chelsea's stalemate with Augsburg with regards to a transfer fee for Rahman is claimed to be another reason for Luis's Atletico deal stalling, as Mourinho is unwilling to sanction his move to Spain before he signs a replacement.