Roger Wilson suffered a mild ankle injury in the bonus point win over Treviso in Italy. A decision on his participation against Zebre will be taken later in the week.
LEWIS STEVENSON
Lewis Stevenson will return to full training this week having recovered from the medial ligament damage that he suffered against Edinburgh last month.
TOMMY BOWE
Tommy Bowe is stepping up his rehabilitation and is expected to return to action in mid to late January.
CHRIS FARRELL
Chris Farrell suffered a broken foot playing for the Ravens against Connacht last month. He is expected to be out of rugby until mid January.
NICK WILLIAMS, IAIN HENDERSON, CHRIS HENRY and RORY BEST are progressing through their rehabilitation. They will continue to be assessed to determine when they will be able to return to play.