Tyrone Mings reportedly attracted interest from Arsenal earlier in the season, but it could be too soon for him to make the step up to the Premier League.
Three emerging Villa products who could break into the first-team in Tim Sherwood's first full campaign in charge.
The rest of the Sunderland squad is contracted until 2016 or further.
Southampton defender Jos Hooiveld has been a major help for Millwall youngster Sid Nelson.
The Canadian centre-back is having a successful loan stint at Airdrieonians and is on the verge of earning his first senior cap.
James Forrest has praised Scott Brown's contribution for Scotland and Celtic.
Sheffield Wednesday manager Stuart Gray is in a positive mood at the moment.
The likes of Sammy Ameobi, Adam Campbell and Rolando Aarons are also out of contract.
Real Sociedad forward Chory Castro says David Moyes has filled him with confidence.
Sam Byram has praised the youth players at Leeds United.