He had featured 14 times in four separate competitions for the Blues before the winter break, with his most recent start coming in the FA Cup win last month.
Arsenal have confirmed the departure of striker Pierre-Emerick Aubameyang and the 32-year-old will join Barcelona on a free transfer.
Atletico Madrid has signed left-back Reinildo Mandava from Lille on the January transfer window deadline day.
Barcelona have signed striker Pierre-Emerick Aubameyang on a free transfer from Arsenal.
The Spanish football league is taking technology to the next level by introducing goal probability ratio.
According to reputed Italian journalist Rudy Galetti, Juventus forward Alvaro Morata is in advanced talks to join Barcelona.
The Frenchman will spend the rest of the season with the Spanish club, hoping that the move will allow him to play regularly for the first squad.
Manchester United have agreed to loan Anthony Martial to Sevilla for the rest of the season.
La Liga giants Real Madrid and Barcelona had two very contrasting weekends after the latest round of La Liga matches.
Atletco Madrid pulled off a sensational comeback win on Saturday by scoring twice in the injury-time to claim a 3-2 La Liga win against Valencia.