Skysports.com understands several Premier League sides are keeping tabs on Millwall midfielder Liam Trotter.
Attacking midfielder Trotter has enjoyed a fine start to the new season for Millwall, with two goals in four games.
The 22-year-old's performances at The Den have not gone unnoticed by Premier League clubs with the likes of Arsenal, Everton, Bolton and Wigan all recently having had scouts in attendance to watch Trotter in action.
Trotter was one of Millwall's top performers last term and he was rewarded for his progress with a new deal last January.
Millwall would be reluctant to lose Trotter with the former Ipswich man establishing himself as a key member of Kenny Jackett's side, but they could find it difficult to keep hold of him if any of his suitors firm up their interest.