Arsenal and Manchester City are keen on Gilks after he impressed for the Seasiders before picking up a knee injury last month.
Exit ahead: Blackpool goalkeeper Matt Gilks looks certain to leave at the end of the season with the club looking for replacements
Gilks' current deal runs out in the summer and he went public last week to admit talks have stalled on a new contract.
That led Holloway to send scouts to watch the 20-year-old Smithies in Saturday's 2-1 win over Brighton.
Gilks admits he will quit Blackpool. if they are relegated from Premier LeagueOne was most amused! Blackpool star Varney handed royal seal of approvalFulham, Wigan and Blackpool target Angel Rangel opens Swansea talksBLACKPOOL FC