Nottingham Forest have added extra firepower by signing Ross McCormack on loan from Aston Villa.
McCormack was unpopular with Villa boss Steve Bruce following his non-attendance for training, so was happy to allow the striker to leave.
Serbian international Branislav Ivanovic has ended his eight-year association with Chelsea by completing a move to Zenit St Petersburg.
Mamadou Sakho has departed Liverpool in order to complete a move to Crystal Palace on loan for the rest of the season.
Southampton have signed striker Manolo Gabbiadini from Napoli in a deal worth a reported £17million.