Manchester United makes a last-ditch effort to sign Lewis Hall from Newcastle United before the summer transfer window closes, but the club's valuation poses a significant challenge for a deadline-day agreement.

Lewis Hall, a 21-year-old left-back, has been United's top choice for the position as Michael Carrick seeks a long-term replacement for Luke Shaw. However, Newcastle has consistently rebuffed United’s interest, requiring an extraordinary offer to reconsider their stance with the clock ticking down.

• Newcastle's asking price: More than £75m
• Contract status: Hall has three years remaining

Reports from the Daily Mail indicate that United remains keen on completing the move, but Newcastle's demands complicate matters. The club has previously informed United that Hall is not for sale, reflecting their strong negotiating position.

Should Manchester United gamble on a deadline-day deal? Hall's addition would undoubtedly enhance United's squad; he is young, experienced in the Premier League, and adept both defensively and offensively. At 21, he could resolve United's left-back dilemma for years to come.

However, justifying a fee exceeding £75m poses a challenge. United finds itself negotiating from a disadvantageous position, as Newcastle is aware of Carrick's urgent need for a left-back, leaving little time for alternative options.

While United does have other players like Luke Shaw and Patrick Dorgu to cover the position temporarily, if Newcastle were to soften their demands, United should be prepared to act. Otherwise, it may be wiser to walk away and reassess the situation next summer.