Aberdeen have no new injury worries ahead of the Ne'erday battle between the two form sides in the SPFL Premiership.
Willo Flood, Nicky Low, Clark Robertson, Russell Anderson and Craig Storie remain on the sidelines and Shay Logan, who missed the win over Inverness due to a mystery knock in training, could miss out again.
Barry Robson is fit again but may have to settle for a place on the bench once more as McInnes is likely to stick with the guts of the side that has won four games on the trot against a Saints team that is looking for its sixth straight victory.
▶ Watch Derek McInnes speak about the St Johnstone match and more below...