League One and Two transfer LIVE: Sunderland owner furious with Josh Maja's agent while Portsmouth winger is eyed by Championship clubs

Sunderland owner Stewart Donald has denied the club have made an approach for a Sheffield United defender
Sunderland owner Stewart Donald has denied the club have made an approach for a Sheffield United defender

It's Day Four of the January window - and League One and Two have already turned up the heat on their transfer business.

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