Grigg, 20, missed selection in last year's premiership side but has been in good form in the pre-season trials.
Brad Crouch, named as an emergency for the Crows last week, and rookie Rory Laird will play for West Adelaide in tonight's other game against Central District at Richmond.
Adelaide’s tallest squad member is set to make his SANFL debut this afternoon.
Jack Osborn, a 205cm former basketballer recruited by the Crows late last year as a rookie, will play for Central District’s reserves side.
Teams for the other two SANFL opening round games will be named tonight with another 15 Crows-listed players available.
