I think this article sums up why oshea will play if fit http://www.rokerreport.com/2012/4/18/2956593/john-oshea-sessegnon-sunderland-stats?
If fit I'd go for Killgallon and O'Shea but I'm not a big fan of Turner if I'm being honest, wouldn't mind seeing Louis Laing given a couple of run outs from the bench. If everyone's fit though I'd go for Brown and O'Shea, have we had them playing at centre back together yet?
OShea and Killa for me too, Turner is great in the air but Villa are not the biggest side and pace is what were going to need at the back. I might go to the game but tickets are £40!!!!!!!!
I think he's out on loan - Wycombe? ...not sure Killa and O'Shea for me, though I also like the idea of using him as a left back.
When they are all fit I think CB is one of our stronger positions squad wise. If we didn't sign a new CB I would not be too bothered bit I think we will as they all have very annoying niggling injuries through the season. I think we will see one come in and Bramble get shipped out.
I agree, if we could keep the 4 of JOS, Wes, Tina & Killa fit, i'd have no concerns at all at CB. Alll decent players, with contrasting other skills (O'Shea/Turner - Aerial, Wes/Killa - bit more cultured)