Transfer Window: Real Betis sign Alfred N'Diaye from Sunderland

Sunderland midfielder Alfred N'Diaye

Sunderland's Alfred N'Diaye has joined Spanish top-flight side Real Betis on loan for the rest of the season.

The 23-year-old Senegal midfielder has spent the first half of the campaign scoring three times in 16 appearances.

He was for £3.8m in January 2013 by former manager Martin O'Neill and started 15 games for the Black Cats last term.

But he has not played for the club since the final game of last season.