The 30-year-old Graham also ended the season away from the Stadium of Light, shipped out on loan to Blackburn Rovers after failing to score in 12 appearances for the club in the previous campaign.
Former England international Brown will bring an end to his five-year term at the club, while 41-year-old Harper leaves after 12 months.
The quartet's contracts end on June 30.
(Reporting by Shravanth Vijayakumar in Bengaluru; Editing by Hugh Lawson)
Share
