Stoke City may be tempted to add to their squad before the transfer window closes after manager Mark Robins said they were "desperately light" in some areas.
The Championship leaders' lack of depth was exposed after they crashed out of the Carabao Cup to League One Bradford on Tuesday.
A heavily-rotated Stoke line-up went down 3-0 to the Bantams at the bet365 Stadium.
"It opens our eyes about where we are at. We've done some great business but we know where we are at," Robins told BBC Radio Stoke.
"We're desperately light in certain positions.