Central defender Vitorino Hilton has signed a one-year contract extension with Montpellier.
AC Milan have completed the permanent signing of defender Cristian Zapata from Villarreal for an undisclosed fee.
Watford striker Chris Iwelumo has joined Oldham on loan until the end of the season.
The 34-year-old joined Watford in 2011 and scored five goals in 47 appearances before playing five times for Notts County on loan earlier on this campaign.
Iwelumo has four Scotland caps to his name and counts Stoke, Colchester, Charlton, Wolves and Burnley as former clubs.