And Sunderland have much work to do following the club’s retained list.
Denver Hume and Luke O’Nien are weighing up contract offers whilst loanee Dion Sanderson has returned to Wolves.
It was announced that Max Power, Grant Leadbitter, Josh Scowen amongst others were set to leave the Stadium of Light.
That means Sunderland will likely look to strengthen in midfield.
Here, we take a look at the free agent options available to Lee Johnson.