Inter Milan have signed former Juventus midfielder Felipe Melo from Galatasaray for £8m with a further £1.5m add-ons.
The Brazil international, 32, was one of three arrivals on a busy day at Inter ahead of Italy's transfer deadline.
Brazil-born defender Alex Telles, 22, has also joined the 18-time champions of Italy from Galatasaray on loan.
Serbia international forward Adem Ljajic, 23, has joined from Roma on loan.
Inter have made a good start to the season under former Manchester City manager Roberto Mancini, winning their opening two league games.