Swansea City's club-record signing Borja Baston is not ready to make his debut against Hull City, manager Francesco Guidolin has confirmed.
The 23-year-old - signed from Atletico Madrid for £15.5million - has sustained a muscle injury in his right leg that will prevent him from facing the newly promoted side at the Liberty Stadium on Saturday.
"Something has happened - Borja is not available," Guidolin told a news conference.
"His problem is a little one but he is not available. I don't know how long for Borja. Perhaps Tuesday, perhaps [next] Saturday.
"It was not a problem before he came, maybe it happened in our training. It is normal, it is our job. It is no problem. I would like to have him for this period, perhaps Peterborough, but if it is not possible, it is not possible."
The former Udinese boss stressed he was confident that a new centre-back would be signed before the transfer window's closure in two weeks, following captain Ashley Williams' move to Everton.
Guidolin added: "I am optimistic. I spoke frequently with the chairman.
"We haven't rushed. We have a shortlist of players. We have to decide and we are working on this.
"We need just a centre defender, but my opinion we are ready to play with this group and we are happy."
Asked if Manchester City's Jason Denayer was a target, he replied: "No."
