He held talks in Sheffield on Thursday morning and he could be confirmedlater in the day.
Adams is understood to be paid just £65,000 a year at Port Vale where he has relaunched his career in the last 19 months after winning promotions with Fulham, Brighton and Leicester.
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If he gets the nod ahead of Phil Brown, Paul Hart and Brentford's Andy Scott, Adams can expect around four times his current salary.
He has been interviewed twice by the Blades board and his current pay seems to make a mockery of Vale's threatened £500,000 compensation claim.
Settling with the League Two promotion-seekers is unlikely to prove a stumbling block, although United appear to be sticking to their plan of delaying an appointment until the New Year.
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Source: Daily Mail
Source: Daily Mail