Aberdeen have revealed Derek Young, David McNamee and Mark Howard will leave the club at the end of the season.
Craig Brown has issued ultimatums to seven members of Aberdeen's first-team squad over their expiring contracts.
Swindon Town manager Danny Wilson is still waiting to get the chance to assess David McNamee.
Swindon have handed a trial to Scottish defender David McNamee following his release by Plymouth last season.
David McNamee, Yoann Folly and Lloyd Saxton will not have their Plymouth contracts renewed.
Plymouth have failed in an attempt to sign a Premier League defender on loan.
Plymouth have completed the signing of David McNamee on a free transfer from Coventry.
Coventry have rejected reports linking Jay Tabb with a possible move to Queens Park Rangers
David McNamee has been told he will not be offered a new contract until he has proved his fitness.
Coventry boss Chris Coleman has issued a fitness challenge to injury prone right-back David McNamee.
Coventry have confirmed that eight players will not be offered new deals at the end of the season.