The Black Cats played seven matches in February and have looked jaded during three consecutive defeats against Rotherham , Coventry and Stoke.
Head coach Tony Mowbray has tried to rotate his team at times, but has highlighted a lack of options in certain positions.
So which Sunderland players have featured the most this season?
Here’s how many minutes each Black Cats player has racked up in all competitions:
Read More... So which Sunderland players have featured the most this season?
9. Abdoullah Ba - 749 minutes After joining the club on a long-term contract in the summer, the 19-year-old has made 19 Championship appearances. Photo: Frank Reid
10. Edouard Michut - 970 minutes Michut, 20, had to wait until December to make his first Sunderland start but has featured consistently since the turn of the year. Photo: Frank Reid
11. Ross Stewart - 1203 minutes Two lengthy injury setbacks have hampered the striker’s season, while he’s still scored 11 goals in 15 appearances this campaign. Photo: Frank Reid
12. Elliot Embleton - 1248 minutes There’s still a chance the 23-year-old could play this season after suffering an ankle fracture and significant ligament damage back in December. Photo: Frank Reid