Oldham Athletic goalkeeper Joel Coleman is interesting Aston Villa.
The Daily Star Sunday says Sherwood has sent his goalkeeper coach to watch the £1m-rated stopper, 19, twice already this season.
Villa are in the market for a young keeper signing.
Sunderland's England Under 21 keeper Jordan Pickford, on loan at Preston, Southend's Dan Bentley and Wycombe No.1 Matt Ingram have also been watched.