Chelsea chairman Bruce Buck insists the club are still confident of completing a "marquee" signing before the end of the summer transfer window.
The Blues have been linked with Valencia striker David Villa, while AC Milan duo Andrea Pirlo and Alexandre Pato have been viewed as targets following the arrival of former San Siro boss Carlo Ancelotti.
However, major signings have yet to materialise, with Yuri Zhirkov, Daniel Sturridge and Ross Turnbull the only players to arrive at Stamford Bridge this summer.
Having only finished third in the Premier League last season, it has been suggested Chelsea's billionaire owner Roman Abramovich is again prepared to make his mark on the transfer market after a couple of low-key years.
And Buck has confirmed hopes are high of securing a box-office name, telling Chelsea TV: "We are looking for a marquee name, if that is the right terminology.
"But, as you know, as you read about in the papers, most of the big clubs are chasing the same players.
"We are only going to get one of those top-notch players, and there aren't very many of them, if the price is right and he fits into our team appropriately.
"But we are looking and we are optimistic."
