Former Liverpool goalkeeper Diego Cavalieri is in his second spell in the Premier League with Crystal Palace.
Everton snapped up Cenk Tosun in January but Premier League rivals Crystal Palace nearly signed the Turkish international last summer.
Wilfried Zaha recently returned from injury for Crystal Palace and helped to inspire a win against Huddersfield Town on Saturday.
Crystal Palace are currently in 16th place in the Premier League table.
Crystal Palace saw James Tomkins score against Huddersfield Town on Saturday afternoon.
Everton forward Cenk Tosun says that Crystal Palace wanted him in the summer of 2017.
Sunderland have signed Jonny Williams on loan from Crystal Palace.
A number of Premier League clubs, Crystal Palace, West Brom, West Ham, Southampton and Brighton, are all watching Europa League star Saman Ghoddos.
Premier League duo Crystal Palace and Burnley were both linked with Jozo Simunovic in the summer with Scottish Premiership giants Celtic tipped to sell.
Crystal Palace and West Ham both failed to bring Lille midfielder Ibrahim Amadou to the Premier League from Ligue 1 in the January transfer window.