Rangers are reportedly in talks with former goalkeeper McGregor.
The now Hull City boss led Sheffield United to their worst league finish in 33 years in 2015-16.
Scotland's Aberdeen centre-half Scott McKenna has emerged as one of his nation's finest young talents in the last year and has been a long term target for Hull City.
Ahead of facing his former side with current team Hull, Nigel Adkins explains what went wrong for him at Sheffield United in 2015/16.
The former Nottingham Forest defender saw deadline day move to the City Ground blocked by Hull City.
Felix Wiedwald has come in for plenty of criticism since arriving at Leeds United in the summer.
Nigel Adkins was seen in the stands watching transfer target Scott McKenna but McInnes has no plans to let the youngster leave.
Everton and Newcastle United have reportedly got their eye on Hull City forward Jarrod Bowen.
The Championship club confirmed via Twitter yesterday that no deal is on the cards for the Hamilton captain.
Hull manager Nigel Adkins spotted at Rangers v Aberdeen match - could he be about to challenge Leeds and Preston for Josh Windass?
Southampton are challenging for another top-10 finish since their return to the Premier League, but could they have been better?
Katharina Liebherr was also in the picture which helps depict the revolution of the South-Coast club.
The former Southampton boss sent a touching message ahead of the Vitesse Arnhem tie.