Ryan Nelsen believes West Ham have issued a statement of intent by tying Winston Reid to a new deal.
Tottenham are keen for striker Shaquile Coulthirst to continue his development out on loan after his spell at Southend.
Plymouth have signed Crystal Palace winger Jason Banton on loan.
The 20-year-old former Liverpool man arrived at Home Park on Thursday and will go straight into manager John Sheridan's squad for Saturday's game with Dagenham.
Banton, who began his career as a schoolboy at Tottenham before spells at Arsenal and Blackburn as a youngster, signed professional terms at Anfield in 2011 and spent a loan spell at Burton before joining the Eagles in October.
The former England Under-17 international made his Palace bow in the FA Cup third round draw with Stoke earlier this month.
Banton will be available up to, and including, the npower League 2 clash with Barnet on Saturday March 2.