Championship transfers: Middlesbrough loan deal held up | Defender 'rejects' Leeds | Nottingham Forest, Aston Villa latest

Middlesbrough and their Championship rivals continue to be linked with a host of players - with plenty of rumours doing the rounds.

And reports today suggest that Boro could see a loan deal 'held up', while Leeds look to have missed out on a defender.

Marvin Johnson's move away from Middlesbrough has reportedly been held up

Marvin Johnson's move away from Middlesbrough has reportedly been held up

READ: Aden Flint will get a good reception says rival boss
Elsewhere, there are updates from a host of other clubs around the Championship as loan deals are chased.

Here's the rumours doing the rounds today:

Middlesbrough winger Marvin Johnson is a target for Sheffield United, but it is believed that the loan deal is being held up as Tony Pulis looks to bring in a new signing of his own before allowing Johnson to leave (BBC Sheffield)

MORE: Andy Lonergan reveals why he swapped Leeds for Middlesbrough
Robert Snodgrass remains a target for Aston Villa, with Steve Bruce a big admirer of the West Ham winger (Birmingham Mail)

Leeds have been 'rejected' by Iranian defender Majid Hosseini, according to reports in Turkey, with the Bielsa target instead sealing a move to Super Lig side Trabzonspor (Damga)

Everton full-back Cuco Martina is being lined-up by Stoke City, while Middlesbrough have also been credited with an interest (Liverpool Echo)

READ: Middlesbrough face battle for loan deal
Aston Villa have been linked with a loan swoop for former defender Ciaran Clark, now at Newcastle (Bristol Post)

Tony Mowbrary has hinted that Blackburn could seal transfers in a 'short space of time' as they continue to chase Nottingham Forest's Ben Brereton (Lancashire Telegraph)

Aston Villa and Stoke are both keen on signing Newcastle midfielder Isaac Hayden (Mirror)