But what do supporters want Parkinson to do? Over 1600 fans voted in our online polls and have delivered a clear verdict on the decisions they want the Black Cats to make. Scroll down and click through the pages to see the FOUR players Sunderland fans want to be released in the summer:
1. Jon McLaughlin
The stopper has been in some mixed form this season, but supporters are still backing him to remain at the Stadium of Light beyond the summer. 69% of those who voted wanted him to be retained. VERDICT: RETAINED. Photo: FRANK REID
2. Tom Flanagan
Flanagan has struggled for opportunities this season, with 76% of supporters believing he should be allowed to move on when his two-year deal expires in the summer. VERDICT: RELEASE. Photo: Alex Davidson
3. Alim Ozturk
Injuries have hampered Ozturk's progress - especially under new manager Parkinson - but 52% of supporters believe he could still play a part in the long-term. VERDICT: RETAIN. Photo: Frank Reid
4. Joel Lynch
Impressive since his arrival on a free transfer, the verdict on Lynch is a conclusive one - with 75% of supporters wanting to see the centre back tied down to a new deal. VERDICT: RETAIN Photo: FRANK REID