Click your way through the gallery, and see where all the players Sunderland bought and sold back in the 2009/10 campaign are now...
5. Lee Cattermole - Bought from Wigan Athletic
A veritable stalwart in the Sunderland side for a decade, Cattermole left the club at the end of last season, before pursuing a left-field move to Dutch side VVV-Venlo. (Photo by Stephen Pond/Getty Images) Photo: Stephen Pond
6. Danny Collins - Sold to Stoke City
The ex-Wales international went on to have stints with the likes of Nottingham Forest and Rotherham United. He was released by Grimsby Town at the end of last season. (Photo by Pete Norton/Getty Images) Photo: Pete Norton
7. Lorik Cana - Bought from Marseille
The Albanian ace captained the side for just one season, before opting to joining Turkish giants Galatasaray. He was last on the books of Ligue 1 side Nantes. (Photo credit: FRED TANNEAU/AFP/Getty Images) Photo: FRED TANNEAU
8. Grant Leadbitter - Sold to Ipswich Town
A decade on, after a lengthy spell with Middlesbrough, the ex-England U21 international is now back on the books at Sunderland. (Photo by Charlie Crowhurst/Getty Images) Photo: Charlie Crowhurst