Sunderland and their rivals face a key weekend in League One

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:

The clash of the two promotion rivals at the Keepmoat Stadium promises to be an enthralling. Barnsley, sat second, will be looking to but more distance between themselves and Sunderland.

1. Game of the weekend: Doncaster Rovers v Barnsley

The clash of the two promotion rivals at the Keepmoat Stadium promises to be an enthralling. Barnsley, sat second, will be looking to but more distance between themselves and Sunderland.
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Rovers currently sit 6th in League One and - having failed to win in their last five league outings - will be keen to returning to winning ways to continue their play-off hopes.

2. They must be wary of Doncaster, though

Rovers currently sit 6th in League One and - having failed to win in their last five league outings - will be keen to returning to winning ways to continue their play-off hopes.
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Barnsley will be missing suspended duo Cameron McGeehan and Jacob Brown, while Doncaster boss Grant McCann is set to serve a touchline ban.

3. Both teams will be without key men

Barnsley will be missing suspended duo Cameron McGeehan and Jacob Brown, while Doncaster boss Grant McCann is set to serve a touchline ban.
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Luton Town will welcome Gillingham on Saturday - in a game which should leave them confident of securing three points.

4. Where are the table-toppers?

Luton Town will welcome Gillingham on Saturday - in a game which should leave them confident of securing three points.
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