Aberdeen have signed former Hearts winger Andy Driver until the end of the season following a spell in the United States.
The 27-year-old had been with MLS side Houston Dynamo since February 2013 but left the club at the end of November and is now back in the SPFL.
Dons boss Derek McInnes told the club website: "I'm delighted to get Andy on board and hopefully he will make the most of this opportunity we've given him.
"During his time (training) with us I believe there has been enough to suggest that he can be a good addition to our squad."