Carvalhal brings his Swansea City side to Sheffield Wednesday a week on Saturday.
Liam Palmer has not been playing much for Sheffield Wednesday this season.
Bolton Wanderers reportedly want to sign Sheffield Wednesday’s Liam Palmer in the summer transfer window.
The Owls' longest-serving player is now tied to the Hillsborough side until 2019.
The Owls slipped to an injury-time defeat at St Andrew’s and there were some contrasting individual displays on show.
Sheffield Wednesday's busy transfer activity lasted right to the deadline with Adam Reach joining. So who is now surplus to requirements at Hillsborough?
Sheffield Wednesday lost 4-1 at Bristol City this weekend.
Lee Bullen and Liam Palmer have moved quickly to keep the 17-year-old grounded.
The Owls remain in the play-offs following a 0-0 draw at promotion rivals Brighton & Hove Albion.
Recalled defenders Liam Palmer and Joe Bennett, who's on loan from Aston Villa, impressed in the Owls' 0-0 draw at the Aex Stadium.