Left-back is a priority for the English club and they see Firpo as their number one choice. A medical is expected to be performed in Leeds before confirming the transfer.
The 24-year-old has failed to challenge Jordi Alba for the starting left-back berth at the Camp Nou since joining from Real Betis. The Catalans have reportedly been looking to move the Spanish youth international, who was born in the Dominican Republic, for a good fee.
After moving to Andalusia at age six, Firpo went up through local clubs before getting his breakthrough with Betis at the age of 18. Barcelona signed him for €18 million in 2019. However, he made only 41 appearances over two seasons for Barcelona.
Leeds are without a conventional left-back, having used Gjanni Alioski, normally a winger, in the position last year. In addition, Alioski has yet to renew his contract with Leeds. Therefore, they are desperate to sign a new left-back.