Mats Hummels is flattered to be attracting interest from over Europe but has no intention of leaving Borussia Dortmund.
If Danny Rowe departs Rotherham again this season it will only be to Wycombe, according to Millers boss Steve Evans.
The former New York Red Bulls and Wigan centre-back scored the Terriers' fourth goal, turning home in a crowded area.
Talking about the former Sweden international, Robins told the official website: "This was a good opportunity to look at Markus and he's done nothing wrong.
"He's a not a youngster - he's 29 - and we have to make a decision on whether he can perform in the Championship on a consistent basis."
Holgersson has spent the majority of his career in his homeland, playing for Angelholm and then Helsingborg.