Following the closure of the summer transfer window, United Managing Director Mal Brannigan has revealed that Blades were thwarted in their attempts to make three permanent signings on deadline day.
Speaking to the media at Bramall Lane on Tuesday, Brannigan said: "We tried to do three very important deals on Monday. We put in three, what we thought, were very material offers for three Championship players.
"We thought we could sign all three, but it became apparent these clubs very much valued their players at the present time.
"Everything was in place at this end to complete the deal, should a bid have been accepted at any point, right up until the deadline, but unfortunately we got negative answers in each instance.
"All three players were from Championship clubs, they would have added quality to the squad, rather than simply expanding the numbers of players available to the manager for the sake of it.
"We made a concerted effort to bring in three permanent transfers, but hopefully at least one of the players in question will be available at some point once the emergency loan window re-opens later this month."
The MD added: "We are slightly disappointed not to have been able to add to the squad, but we signed 11 new players during the close season, in addition to giving new contracts to six other players, so overall we are pleased with the business we had already managed to complete.
"When the emergency loan window re-opens we will certainly be in the market to strengthen further, but as the manager stresses we will only bring in players that add quality to the squad."
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