The former Charlton defender has made three appearances for Sheffield Wednesday.
Sheffield Wednesday signed Morgan Fox from Charlton Athletic during the January transfer window.
The January signing from Charlton Athletic made his Sheffield Wednesday bow on Tuesday night.
But HITC Sport understands that Derby County also want the left back.
Fox was the subject of several bids from Sheffield Wednesday during the summer transfer window.
The Owls were desperate to add to their left-back options but could not tempt Charlton into selling.
All the latest transfer news involving West Ham United...
West Ham United look for cover for the injured Aaron Cresswell.
The Leeds left-back comes out on top of Morgan Fox and Aaron Cresswell.
Players from Charlton Athletic, Leeds United and West Ham United all feature.