Manchester United manager David Moyes has confirmed the club remain active in the transfer market – but cannot offer any guarantees of success.
With three days remaining before the window closes until January, Moyes is still to sign his first player of any significance.
A further approach to Everton for Leighton Baines and Marouane Fellaini in the past 48 hours was immediately rejected, while Athletic Bilbao president Josu Urrutia confirmed an approach from United for midfielder Ander Herrera met with a similarly negative response.
Following the failed attempts to sign Thiago Alcantara and Cesc Fabregas from Barcelona it has been a frustrating start for Moyes' Old Trafford tenure.
And speculation United could be one of the two Premier League clubs in discussions with Kaka might be greeted with concern, given it is six years since he was crowned world player of the year.
Moyes is refusing to comment on any specific player. However, he remains keen to make additions.
"It was going to be a struggle because I was coming into a new job and was getting to know the players," said Moyes.
"There was a new chief executive at the club as well so it was always going to take it a little bit of time to settle down.
"We have been after two or three players and tried to go for them. Some of them we are still in with a shout with and some we are not."
If Urrutia's words are any guide, Herrera falls firmly in the latter category.
One of the key men behind Bilbao's humbling of United in the Europa League two seasons ago, it is claimed the 24-year-old has a release clause of around £30.75million, but that United's val