The news comes after the Blades ended the 2004/05 season in a poor 8th place when expected to be among the top six.
Megson: Former Owls player would not be welcome at Bramall Lane.
Adams, who has yet signed a contract for the Sky Blues has been linked with a move to Bramall Lane should Warnock face the axe.
However Megson has also been named, though considering there could be a fans revolt should the former West Brom boss come to the lane a move is very unlikely.