He told the club's official website: "I'm delighted to be here until the end of the season.
"We've got a really good bunch of lads here and I really believe we can push on towards the top two in this league."
A proposed change to the summer transfer window for Premier League clubs could see an end to the mad dash
Cristiano Ronaldo has been hit with a five-game ban after shoving referee Ricardo de Burgos Bengoetxea.
The Premier League came back with a bang this weekend.
Arsenal may have got the best of the summer's spending rush on strikers, if the players' goalscoring records are any indication.
Neymar has become the world's most expensive player after completing his move from Barcelona to Paris St Germain.
Neymar da Silva Santos Junior has become the world's most expensive footballer after completing a 222 million euros (£200.