The club has completed the signing of Uruguayan international Gaston Ramirez on loan until the end of the season.
The 25-year-old attacking midfielder joins from Southampton and becomes the second new arrival of the January transfer window, following Kike Sola into the club.
Ramirez, who started his career in his home country with Penarol, played in Serie A with Bologna before joining Southampton in a £12m deal in the summer of 2012.
He has scored eight goals in 55 appearances for the Saints and has featured 48 times for the club in the Premier League.
Last season, Ramirez was on loan at Hull City, where he made 22 Premier League appearances.
The player brings a host of international experience, having played for Uruguay at Under-20 and Under-23 levels before going in to make 34 appearances for his country at senior level.
He featured in the 2014 World Cup and claimed an assist for Uruguay's winning goal against Italy in the group stages.