The former Leeds and Preston manager’s captures were mainly disastrous, with the 49-year-old bringing a number of flops to the Stadium of Light. But who were the 10 players that followed Grayson to Wearside, and what ever happened to them? We’ve taken a look at the newly-appointed Blackpool manager’s shocking signings and where their careers have taken them - and there a few surprises:
1. Aiden McGeady
Perhaps the only of Grayson's signings who has delivered in the long-term, McGeady continues to impress at the Stadium of Light. He remains part of Jack Ross' plans, despite being linked with a move to the MLS.
Photo: Harriet Lander
2. James Vaughan
The striker netted just twice in his six-month spell on Wearside before leaving to join Wigan Athletic. He's struggled for regular game time since and, after a loan spell at Portsmouth last term, has joined League Two side Bradford City.
Photo: Mark Runnacles
3. Jason Steele
Guilty of a clutch of goalkeeping clangers during his 18 appearances for the Black Cats, Steele left the Stadium of Light for Premier League side Brighton last summer. He has featured just once since - in an FA Cup third round clash.
Photo: Catherine Ivill
4. Robbin Ruiter
While suffering dips in form similar to those of colleague Steele, Ruiter did help deliver some memorable moments for Sunderland. He was released at the end of last season and subsequently joined PSV Eindhoven.
Photo: Nigel Roddis