From record purchases to international stars, you sent us plenty of examples of the club’s most underwhelming signings.
But who were the most frequent suggestions? Scroll down and click through the pages to take a look at the names that most supporters mentioned, and some background as to why they failed to deliver at the Stadium of Light:
9. RICKY ALVAREZ
Having joined Sunderland fresh from a trip to the 2014 World Cup, much was expected of Alvarez. But he made just 11 appearances on Wearside, with a bitter legal dispute over his move still raging on. Photo: Michael Steele
10. ALAN STUBBS
Stubbs arrived at the Stadium of Light with a reputation as one of most reliable defenders in the Premier League after a spell with Everton, but he failed to convince the Sunderland faithful. He departed after just one season and 10 appearances. Photo: Ben Radford
11. DIDIER NDONG
Reportedly Sunderland’s record signing, Ndong’s arrival coincided with Sunderland’s drop from the Premier League to League One - and his departure was far from amicable. Photo: Laurence Griffiths
12. LILIAN LASLANDES
Branded as a replacement for the ageing Niall Quinn, Laslandes arrived on Wearside with some major expectation on his shoulder having been prolific in his native France. He left after two years, having failed to score in 12 appearances for Sunderland. Photo: Stu Forster