He has not returned to full training yet but with the game still four days away , Wenger did not rule him out of playing a part at the Emirates .
Sanchez injured his hamstring at Norwich City on 29 November and has not played since .
Sanchez has not returned to full training yet but with the game still four days away , Wenger did not rule Sanchez out of playing a part at the Emirates .
Sanchez injured his hamstring at Norwich City on 29 November and has not played since .