Defender Paul Hurst told Radio Sheffield that he doesn't expect to play again until February.
Hursty had an operation at the beginning of the month to 'clean up' his knee after playing through the pain barrier from the start of the season.
Paul was on track to become the player with the most appearances for the Millers, standing just 17 behind Danny Williams.
Win FREE pizza with Vital Football!
Select your team and get 50% off if they score twice.