And while there may be plenty more movement before the season opener with Oxford United, fans have offered their take on what the Black Cats’ strongest line-up currently looks like. Scroll down and click through the pages to see the team they believe is the best at Ross’ disposal - with some big names missing out:
1. CB: Alim Ozturk
His strong end to the season saw him cement a place in the Sunderland side - and 65% of supporters believe that place should be retained in the new campaign. Photo: Frank Reid
2. CB: Tom Flanagan
It was a close run thing between Flanagan and fellow centre back Jack Baldwin, but the former Burton man just edged he vote with 18% of supporters believing he represents a strong option. Photo: Frank Reid
3. LB: Bryan Oviedo
Competition is rife at left-back, but 51% of fans believe Oviedo is Sunderland's best bet - providing he remains at the club amid rumoured interest from the continent. Photo: FRANK REID 2019
4. CM: Dylan McGeouch
Opportunities were hard to come by for the former Hibernian man last season, but that hasn't stopped 40% of the Sunderland faithful believing he represents the club's best option in the middle of the park. Photo: FRANK REID