Celtic enquired about the availability of Millwall frontman Lee Gregory last summer and he could be a welcome addition at Parkhead.
Millwall's fleet-footed frontman Lee Gregory was linked to QPR last summer - and they should try again with Everton's Aroune Kone set to move elsewhere.
Sheffield United reportedly want Millwall goal-machine Lee Gregory - but he will surely appeal to the bargain-hunting Gary Rowett at Derby County.
Wolves boss Paul Lambert loves a lower league signing.
The Millwall striker is reportedly the subject of a £2m offer from Sheffield United, but should Sheffield Wednesday make a move?
Gregory's teammate Jed Wallace is on loan at The Den from Wolverhampton Wanderers.
The goal-getting striker is however a Sheffield United fan.
The former Queens Park Rangers target has been among the goals against this season.
Mark Warburton is looking to add a striker to Ibrox ranks. Gregory would be perfect for Rangers.
Millwall's Lee Gregory has allegedly handed in a transfer request at the Den.