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.
Rotherham have signed Blackburn defender Jack O'Connell on a youth loan.
The England youth international, 18, who can play centre-back or left-back, will stay at New York until January 5 and could make his debut in Saturday's League Two clash at Exeter.
The news comes on the same day as Josh Morris returns to Rovers from Steve Evans' Millers after his loan spell was cut short following a knee injury.