League 1 & 2 news and rumours: Sunderland linked with Celtic winger | Barnsley eye in-form Sunderland striker | Peterborough United leading race for midfielder | Portsmouth braced for bids on prized assets

It's Day Seven of the January window - and League One and Two clubs' transfer business is beginning to take shape.

Stay tuned throughout the day for all the latest news and breaking transfer speculation from across the two divisions. Don't forget to refresh.

League 1 & 2 latest news - January 7

League 1 & 2 latest news - January 7