Blackburn Rovers are said to be lining up the Bolton Wanderers midfielder in case Dack leaves for West Bromwich Albion.
Rangers boss Steven Gerrard is said to be close to bringing another of his defensive targets to Ibrox.
The Sheffield Wednesday manager has outlined his plans for the summer transfer window.
Leeds United had their eye on Bolton Wanderers midfielder Josh Vela during the January transfer window, according to reports.
Derby County and Sunderland are hoping to raid Championship rivals Bolton Wanderers to sign their tenacious midfielder Josh Vela.
Sunderland have already been linked with one Bolton Wanderers player of late.
Former Leeds United midfielder Toumani Diagouraga could be on the move in January, and that may perhaps help the Whites.
After links with Bolton's Josh Vela and Bristol City's Josh Brownhill, reports state that Manchester United's Scott McTominay is on Leeds' radar.
Sunderland are said to be keen on Gary Madine, while Leeds United, Derby County and Sheffield Wednesday have been credited with interest in Josh Vela.
Leeds United have been linked with two Championship centre-midfielders, and one appears to be the more exciting prospect.