A return to the Eredivisie is not being ruled out by the agent of Chelsea defender Tomas Kalas.
Kalas has spent a frustrating first-half of the season on-loan in Germany with FC Koln and is expected to be recalled by Chelsea next month.
The defender has previous loan experience with Vitesse Arnhem and is being linked with QPR.
"There are some options in England and the Netherlands," says agent Viktor Kolas.
"And one of those options is indeed QPR."
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