French-born 22-year-old David Viana has signed a contract until the end of the season. Olhanense have been attempting to sign Viana, who has dual French/Portuguese nationality, since the start of the season.
The young midfielder has played for RC Strasbourg, Atletico Madrid and Real Salt Lake City (USA) youth teams as well as making a number of appearances for Portugal at U17, U18 and U19 levels.
Last season he was on the books of Luton Town as they won promotion back to the Football League.
