Birmingham have confirmed that goalkeeper Darren Randolph is leaving the club after turning down a new contract.
MK Dons have seen an initial bid for Brentford's Will Grigg turned down, according to Sky sources.
Hearts have confirmed winger Andrew Driver has left the club to join MLS side Houston Dynamo.
Driver, who becomes the latest first-team player to leave Tynecastle, will join the Dynamo on loan until his Hearts deal expires in the summer.
A statement on the club website read: "The club wishes Andrew all the best as he continues his career with this fantastic opportunity to play in America."