Sunderland boss Martin O'Neill will take his search for reinforcements to the wire if he has to.
The Ulsterman's efforts to strengthen his squad this summer have to date proved frustrating, with no new arrivals since the capture of free agent Carlos Cuellar last month.
His pursuit of Wolves striker Steven Fletcher, however, appears to be coming to a head with the 25-year-old Scotland international having handed in a transfer request after growing frustrated with his club's stance over his future. O'Neill said: "Unfortunately, I have been involved in late scrambles before, so it's nothing new to me in that sense."
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