The ex Blackburn player has been plagued with injury throughout his time at Deepdale and this time it is his knee. Davidson missed the end of the season through injury and after seeing a specialist last week he was allowed to join in pre-season training and could well figure this Wednesday evening.
Matt Hill and Alan McCormack are also expected to be back in the squad for Paul Mckenna's testimonial game after picking up slight knocks.
The only injury worries are those of long term absentees Smith, Nowland and Ormerod.