Crystal Palace are in talks to sign Real Betis midfielder Victor Camarasa, Sky Sports News understands.
The 25-year-old Spaniard spent last season on loan at Cardiff, scoring five goals and registering four assists in 33 matches.
Palace are keen to sign up to four players before the Premier League transfer window closes on August 8.
Roy Hodgson's side have had a quiet window up to now, with Nottingham Forest goalkeeper Stephen Henderson and Swansea forward Jordan Ayew their only arrivals.
The Eagles are also determined to keep Wilfried Zaha at Selhurst Park this season.
Arsenal and Everton have had bids for the Ivorian forward turned down this summer, while Napoli are understood to be willing to offer £54.6m to take him to Serie A.
Follow Deadline Day on Sky Sports
It's Transfer Deadline Day for the Premier League and Championship on Thursday August 8 and Sky Sports will be bringing you all the latest news on who your club is signing.
Start your day with Deadline Day Breakfast (6am) ahead of a special Good Morning Transfers show (9am), with Deadline Day - The Countdown (4pm) taking you to the 5pm deadline. The Transfer Show - Deadline Day at 6pm will analyse the big moves before Deadline Day at Ten rounds up all the transfer headlines.
As well as tuning into Sky Sports News, don't miss a thing with our dedicated Transfer Centre blog.