Paul Sheerin has brought Jack MacKenzie back into the side after the left back was cup tied last weekend. He replaces another youngster Calvin Ramsay. Matty Kennedy comes in for Ethan Ross. Fraser Hornby is fit enough for a place on the bench but Ash Taylor misses out with an injury. Greg Leigh, Michael Devlin and Ryan Hedges are still on the long term injured list and Callum Hendry can’t play against his parent club.

ABERDEEN 1. JOE LEWIS (C) 3. TOMMIE HOBAN 4. ANDREW CONSIDINE 10. NIALL McGINN 17. JONNY HAYES 19. LEWIS FERGUSON 22. FLORIAN KAMBERI 24. DEAN CAMPBELL 29. JACK MacKENZIE 33. MATTY KENNEDY 40. ROSS McCRORIE

SUBSTITUES 43. GARY WOODS (GK) 7. FRASER HORNBY 15. DYLAN McGEOUCH 18. CONNOR McLENNAN 23. ETHAN ROSS 26. MIKO VIRTANEN 28. MICHAEL RUTH 44. CALVIN RAMSAY 46. RYAN DUNCAN

ST JOHNSTONE 1. ZANDER CLARK 19. SHAUN ROONEY 5. JASON KERR (C) 4. JAMIE McCART 24. CALLUM BOOTH 13. CRAIG BRYSON 18. ALI McCANN 16. GLENN MIDDLETON 7. CRAIG CONWAY 9. CHRIS KANE 6. LIAM GORDON

SUBSTITUES 12. ELLIOTT PARISH (GK) 2. JAMES BROWN 3. SCOTT TANSER 26. LIAM CRAIG 10. DAVID WOTHERSPOON 11. MICHAEL 0’HALLORAN 14. STEVIE MAY 17. GUY MELAMED 15. CHARLIE GILMOUR