Sunderland have agreed a deal with Boudewijn Zenden for the Dutch international to join the club until the end of the season.
The former Liverpool, Barcelona and Middlesbrough midfielder has been training at the Stadium of Light since leaving Marseille and bagged a hattrick in a practice match earlier this week.
“His performances in training persuaded me that he has a valuable role to play this season,” said manager Steve Bruce.
“It was immediately obvious that he is still supremely fit and the move happened fairly quickly.
“He brings international class, a steadying influence and a wide breadth of experience.
“His career is testament to his quality and he gives us more depth in central midfield which is a vital position.”
Zenden, 33, was able to sign for Sunderland outside of the transfer window due to his free agent status and could now make his debut against his old club Liverpool this weekend.