League One promotion race: A big night in store for Sunderland, Portsmouth, Luton and Barnsley

It's a big night in the League One promotion race - with 12 fixtures taking place in the third tier.
Sunderland face Barnsley at Oakwell tonight.Sunderland face Barnsley at Oakwell tonight.
Sunderland face Barnsley at Oakwell tonight.

Sunderland remain in the hunt for automatic promotion ahead of their visit to high-flying Barnsley, while a host of other sides remain hot on their heels. We take a closer look at the key fixtures and talking points at the top of the table ahead of tonight's fixtures: