Colchester United have signed goalkeeper Sam Walker from Premier League side Chelsea until the end of April, The 21-year-old has linked up with the U's, having spent time on loan at League Two side Bristol Rovers earlier in the season.

Walker started as a schoolboy at Millwall, before moving to Stamford Bridge.

He becomes Colchester's sixth signing this month, following the permanent arrivals of Josh Thompson and Jack Compton from Portsmouth and the loan moves for Dominic Samuel, George Porter and Walker's Chelsea team-mate, Billy Clifford.