League One promotion race: How Sunderland, Portsmouth, Luton and Barnsley could see their hopes change during key fixtures
Sunderland and their promotion rivals are entering the business end of the season - and face tough tests this weekend as they look to continue their push towards the Championship.
While the Black Cats welcome Walsall to the Stadium of Light, the sides around them will face similarly difficult assignments in what could prove to be a key weekend in the hunt for automatic promotion and the play-off places. Scroll down and click through the pages to see who Sunderland's rivals will face over another busy period of fixtures in the third tier: