Leeds United and Burton Albion will face each other in the Championship this weekend.
Nottingham Forest have reportedly made an approach for the Burton Albion boss, who has also managed at Sheffield United and Derby County.
Gary Rowett faces a potentially tricky test on his return to the Pirelli Stadium.
McFadzean has signed on at the Pirelli Stadium for a club record fee.
Kenny Jackett's men are joined by Birmingham City, Blackburn Rovers and Cardiff City in pursuit of the MK Dons defender.